12490 has 8 divisors (see below), whose sum is σ = 22500. Its totient is φ = 4992.

The previous prime is 12487. The next prime is 12491. The reversal of 12490 is 9421.

It can be written as a sum of positive squares in 2 ways, for example, as 12321 + 169 = 111^2 + 13^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615 + ... + 634.

2¹²⁴⁹⁰ is an apocalyptic number.

12490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12490 is a deficient number, since it is larger than the sum of its proper divisors (10010).

12490 is a wasteful number, since it uses less digits than its factorization.

12490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12490 is about 111.7586685676. The cubic root of 12490 is about 23.2017537319.

The spelling of 12490 in words is "twelve thousand, four hundred ninety".