13538764 has 6 divisors (see below), whose sum is σ = 23692844. Its totient is φ = 6769380.

The previous prime is 13538731. The next prime is 13538779. The reversal of 13538764 is 46783531.

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, 1692342 + ... + 1692349.

Almost surely, 2^13538764 is an apocalyptic number.

It is an amenable number.

13538764 is a deficient number, since it is larger than the sum of its proper divisors (10154080).

13538764 is a wasteful number, since it uses less digits than its factorization.

13538764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384695 (or 3384693 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 13538764 is about 3679.5059450964. The cubic root of 13538764 is about 238.3378437647.

The spelling of 13538764 in words is "thirteen million, five hundred thirty-eight thousand, seven hundred sixty-four".