13047772 has 18 divisors (see below), whose sum is σ = 24257912. Its totient is φ = 6139584.

The previous prime is 13047763. The next prime is 13047773. The reversal of 13047772 is 27774031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4488 + ... + 6799.

Almost surely, 2^13047772 is an apocalyptic number.

It is an amenable number.

13047772 is a deficient number, since it is larger than the sum of its proper divisors (11210140).

13047772 is a wasteful number, since it uses less digits than its factorization.

13047772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325 (or 11306 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 13047772 is about 3612.1699849260. The cubic root of 13047772 is about 235.4211370998.

The spelling of 13047772 in words is "thirteen million, forty-seven thousand, seven hundred seventy-two".