12957796 has 6 divisors (see below), whose sum is σ = 22676150. Its totient is φ = 6478896.

The previous prime is 12957781. The next prime is 12957797. The reversal of 12957796 is 69775921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12888100 + 69696 = 3590^2 + 264^2 .

It is not an unprimeable number, because it can be changed into a prime (12957797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619721 + ... + 1619728.

Almost surely, 2^12957796 is an apocalyptic number.

It is an amenable number.

12957796 is a deficient number, since it is larger than the sum of its proper divisors (9718354).

12957796 is a wasteful number, since it uses less digits than its factorization.

12957796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239453 (or 3239451 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 12957796 is about 3599.6938758733. The cubic root of 12957796 is about 234.8787423321.

The spelling of 12957796 in words is "twelve million, nine hundred fifty-seven thousand, seven hundred ninety-six".