12378696 has 32 divisors (see below), whose sum is σ = 33760800. Its totient is φ = 3751040.

The previous prime is 12378689. The next prime is 12378697. The reversal of 12378696 is 69687321.

It is a happy number.

It is a super-2 number, since 2×12378696² = 306464229320832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12378697) 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 in 7 ways as a sum of consecutive naturals, for example, 23181 + ... + 23708.

It is an arithmetic number, because the mean of its divisors is an integer number (1055025).

Almost surely, 2^12378696 is an apocalyptic number.

It is an amenable number.

12378696 is an abundant number, since it is smaller than the sum of its proper divisors (21382104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12378696 is a wasteful number, since it uses less digits than its factorization.

12378696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46909 (or 46905 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12378696 is about 3518.3371072141. The cubic root of 12378696 is about 231.3262756906.

The spelling of 12378696 in words is "twelve million, three hundred seventy-eight thousand, six hundred ninety-six".