12651788 has 6 divisors (see below), whose sum is σ = 22140636. Its totient is φ = 6325892.

The previous prime is 12651781. The next prime is 12651797. The reversal of 12651788 is 88715621.

It is not an unprimeable number, because it can be changed into a prime (12651781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581470 + ... + 1581477.

It is an arithmetic number, because the mean of its divisors is an integer number (3690106).

Almost surely, 2^12651788 is an apocalyptic number.

It is an amenable number.

12651788 is a deficient number, since it is larger than the sum of its proper divisors (9488848).

12651788 is a wasteful number, since it uses less digits than its factorization.

12651788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162951 (or 3162949 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 12651788 is about 3556.9351976104. The cubic root of 12651788 is about 233.0150481172.

The spelling of 12651788 in words is "twelve million, six hundred fifty-one thousand, seven hundred eighty-eight".