12971662 has 32 divisors (see below), whose sum is σ = 22153824. Its totient is φ = 5644800.

The previous prime is 12971657. The next prime is 12971677. The reversal of 12971662 is 26617921.

Its product of digits (9072) is a multiple of the sum of its prime divisors (324).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65748 + ... + 65944.

It is an arithmetic number, because the mean of its divisors is an integer number (692307).

Almost surely, 2^12971662 is an apocalyptic number.

12971662 is a deficient number, since it is larger than the sum of its proper divisors (9182162).

12971662 is a wasteful number, since it uses less digits than its factorization.

12971662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 9072, while the sum is 34.

The square root of 12971662 is about 3601.6193580111. The cubic root of 12971662 is about 234.9624928823.

The spelling of 12971662 in words is "twelve million, nine hundred seventy-one thousand, six hundred sixty-two".