12397876 has 24 divisors (see below), whose sum is σ = 22226400. Its totient is φ = 6049632.

The previous prime is 12397873. The next prime is 12397883. The reversal of 12397876 is 67879321.

It is a happy number.

It is a super-2 number, since 2×12397876² = 307414658622752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397871) 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, 35350 + ... + 35698.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 2^12397876 is an apocalyptic number.

It is an amenable number.

12397876 is a deficient number, since it is larger than the sum of its proper divisors (9828524).

12397876 is a wasteful number, since it uses less digits than its factorization.

12397876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 541 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 12397876 is about 3521.0617716819. The cubic root of 12397876 is about 231.4456891411.

The spelling of 12397876 in words is "twelve million, three hundred ninety-seven thousand, eight hundred seventy-six".