12942772 has 6 divisors (see below), whose sum is σ = 22649858. Its totient is φ = 6471384.

The previous prime is 12942751. The next prime is 12942791. The reversal of 12942772 is 27724921.

It is a happy number.

12942772 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in only one way, i.e., 8259876 + 4682896 = 2874^2 + 2164^2 .

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, 1617843 + ... + 1617850.

Almost surely, 2^12942772 is an apocalyptic number.

It is an amenable number.

12942772 is a deficient number, since it is larger than the sum of its proper divisors (9707086).

12942772 is a wasteful number, since it uses less digits than its factorization.

12942772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235697 (or 3235695 counting only the distinct ones).

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

The square root of 12942772 is about 3597.6064265008. The cubic root of 12942772 is about 234.7879300021.

The spelling of 12942772 in words is "twelve million, nine hundred forty-two thousand, seven hundred seventy-two".