13137772 has 6 divisors (see below), whose sum is σ = 22991108. Its totient is φ = 6568884.

The previous prime is 13137763. The next prime is 13137791. The reversal of 13137772 is 27773131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642218 + ... + 1642225.

Almost surely, 2^13137772 is an apocalyptic number.

It is an amenable number.

13137772 is a deficient number, since it is larger than the sum of its proper divisors (9853336).

13137772 is a wasteful number, since it uses less digits than its factorization.

13137772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284447 (or 3284445 counting only the distinct ones).

The product of its digits is 6174, while the sum is 31.

The square root of 13137772 is about 3624.6064613969. The cubic root of 13137772 is about 235.9611877186.

The spelling of 13137772 in words is "thirteen million, one hundred thirty-seven thousand, seven hundred seventy-two".