12651768 has 32 divisors (see below), whose sum is σ = 35144400. Its totient is φ = 4217184.

The previous prime is 12651767. The next prime is 12651781. The reversal of 12651768 is 86715621.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651763) 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, 29071 + ... + 29502.

Almost surely, 2^12651768 is an apocalyptic number.

12651768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12651768 is an abundant number, since it is smaller than the sum of its proper divisors (22492632).

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

12651768 is a wasteful number, since it uses less digits than its factorization.

12651768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58588 (or 58578 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 12651768 is about 3556.9323862002. The cubic root of 12651768 is about 233.0149253335.

The spelling of 12651768 in words is "twelve million, six hundred fifty-one thousand, seven hundred sixty-eight".