12957832 has 16 divisors (see below), whose sum is σ = 25352640. Its totient is φ = 6197136.

The previous prime is 12957821. The next prime is 12957839. The reversal of 12957832 is 23875921.

It is a junction number, because it is equal to n+sod(n) for n = 12957791 and 12957800.

It is not an unprimeable number, because it can be changed into a prime (12957839) 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, 35028 + ... + 35395.

It is an arithmetic number, because the mean of its divisors is an integer number (1584540).

Almost surely, 2^12957832 is an apocalyptic number.

It is an amenable number.

12957832 is a deficient number, since it is larger than the sum of its proper divisors (12394808).

12957832 is a wasteful number, since it uses less digits than its factorization.

12957832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70452 (or 70448 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 12957832 is about 3599.6988762951. The cubic root of 12957832 is about 234.8789598492.

The spelling of 12957832 in words is "twelve million, nine hundred fifty-seven thousand, eight hundred thirty-two".