12402768 has 40 divisors (see below), whose sum is σ = 36618688. Its totient is φ = 3543552.

The previous prime is 12402751. The next prime is 12402769. The reversal of 12402768 is 86720421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18121 + ... + 18792.

Almost surely, 2^12402768 is an apocalyptic number.

It is an amenable number.

12402768 is an abundant number, since it is smaller than the sum of its proper divisors (24215920).

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

12402768 is a wasteful number, since it uses less digits than its factorization.

12402768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36931 (or 36925 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12402768 is about 3521.7563799900. The cubic root of 12402768 is about 231.4761267049.

The spelling of 12402768 in words is "twelve million, four hundred two thousand, seven hundred sixty-eight".