12955149 has 12 divisors (see below), whose sum is σ = 18751356. Its totient is φ = 8619072.

The previous prime is 12955147. The next prime is 12955153. The reversal of 12955149 is 94155921.

12955149 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 11009124 = 1395^2 + 3318^2 .

It is not a de Polignac number, because 12955149 - 2¹ = 12955147 is a prime.

It is a super-2 number, since 2×12955149² = 335671771224402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12955147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4387 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (1562613).

Almost surely, 2^12955149 is an apocalyptic number.

It is an amenable number.

12955149 is a deficient number, since it is larger than the sum of its proper divisors (5796207).

12955149 is a wasteful number, since it uses less digits than its factorization.

12955149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2953 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 12955149 is about 3599.3261869411. The cubic root of 12955149 is about 234.8627476786.

It can be divided in two parts, 129551 and 49, that added together give a square (129600 = 360²).

The spelling of 12955149 in words is "twelve million, nine hundred fifty-five thousand, one hundred forty-nine".