12631957 has 8 divisors (see below), whose sum is σ = 13638240. Its totient is φ = 11630640.

The previous prime is 12631951. The next prime is 12631961. The reversal of 12631957 is 75913621.

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

It is a cyclic number.

It is not a de Polignac number, because 12631957 - 2¹¹ = 12629909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5394 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (1704780).

Almost surely, 2^12631957 is an apocalyptic number.

It is an amenable number.

12631957 is a deficient number, since it is larger than the sum of its proper divisors (1006283).

12631957 is a wasteful number, since it uses less digits than its factorization.

12631957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its digits is 11340, while the sum is 34.

The square root of 12631957 is about 3554.1464516815. The cubic root of 12631957 is about 232.8932382494.

The spelling of 12631957 in words is "twelve million, six hundred thirty-one thousand, nine hundred fifty-seven".