12650 has 24 divisors (see below), whose sum is σ = 26784. Its totient is φ = 4400.

The previous prime is 12647. The next prime is 12653. The reversal of 12650 is 5621.

12650 = T₂₁ + T₂₂ + ... + T₄₃.

12650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12650 is a nontrivial binomial coefficient, being equal to C(25, 4).

It is an interprime number because it is at equal distance from previous prime (12647) and next prime (12653).

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (1116).

2¹²⁶⁵⁰ is an apocalyptic number.

12650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12650 is the 92-nd pentagonal number.

12650 is an abundant number, since it is smaller than the sum of its proper divisors (14134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13392).

12650 is a wasteful number, since it uses less digits than its factorization.

12650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12650 is about 112.4722187920. The cubic root of 12650 is about 23.3004070735.

The spelling of 12650 in words is "twelve thousand, six hundred fifty".