12971092 has 6 divisors (see below), whose sum is σ = 22699418. Its totient is φ = 6485544.

The previous prime is 12971087. The next prime is 12971093. The reversal of 12971092 is 29017921.

12971092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 3261636 = 3116^2 + 1806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12971093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621383 + ... + 1621390.

Almost surely, 2^12971092 is an apocalyptic number.

It is an amenable number.

12971092 is a deficient number, since it is larger than the sum of its proper divisors (9728326).

12971092 is a wasteful number, since it uses less digits than its factorization.

12971092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242777 (or 3242775 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 12971092 is about 3601.5402260700. The cubic root of 12971092 is about 234.9590512626.

The spelling of 12971092 in words is "twelve million, nine hundred seventy-one thousand, ninety-two".