12742868 has 6 divisors (see below), whose sum is σ = 22300026. Its totient is φ = 6371432.

The previous prime is 12742823. The next prime is 12742871. The reversal of 12742868 is 86824721.

It can be written as a sum of positive squares in only one way, i.e., 12264004 + 478864 = 3502^2 + 692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592855 + ... + 1592862.

It is an arithmetic number, because the mean of its divisors is an integer number (3716671).

Almost surely, 2^12742868 is an apocalyptic number.

It is an amenable number.

12742868 is a deficient number, since it is larger than the sum of its proper divisors (9557158).

12742868 is a wasteful number, since it uses less digits than its factorization.

12742868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185721 (or 3185719 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 12742868 is about 3569.7153948179. The cubic root of 12742868 is about 233.5728687527.

The spelling of 12742868 in words is "twelve million, seven hundred forty-two thousand, eight hundred sixty-eight".