12662988 has 24 divisors (see below), whose sum is σ = 31820208. Its totient is φ = 3896256.

The previous prime is 12662971. The next prime is 12662999. The reversal of 12662988 is 88926621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40431 + ... + 40742.

It is an arithmetic number, because the mean of its divisors is an integer number (1325842).

Almost surely, 2^12662988 is an apocalyptic number.

It is an amenable number.

12662988 is an abundant number, since it is smaller than the sum of its proper divisors (19157220).

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

12662988 is a wasteful number, since it uses less digits than its factorization.

12662988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81193 (or 81191 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 12662988 is about 3558.5092384312. The cubic root of 12662988 is about 233.0837867234.

The spelling of 12662988 in words is "twelve million, six hundred sixty-two thousand, nine hundred eighty-eight".