12742972 has 24 divisors (see below), whose sum is σ = 24559920. Its totient is φ = 5736960.

The previous prime is 12742957. The next prime is 12742993. The reversal of 12742972 is 27924721.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3468 + ... + 6124.

It is an arithmetic number, because the mean of its divisors is an integer number (1023330).

Almost surely, 2^12742972 is an apocalyptic number.

It is an amenable number.

12742972 is a deficient number, since it is larger than the sum of its proper divisors (11816948).

12742972 is a wasteful number, since it uses less digits than its factorization.

12742972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2779 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 12742972 is about 3569.7299617758. The cubic root of 12742972 is about 233.5735041804.

The spelling of 12742972 in words is "twelve million, seven hundred forty-two thousand, nine hundred seventy-two".