13889572 has 12 divisors (see below), whose sum is σ = 24349696. Its totient is φ = 6932520.

The previous prime is 13889567. The next prime is 13889591. The reversal of 13889572 is 27598831.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228 + ... + 5275.

Almost surely, 2^13889572 is an apocalyptic number.

It is an amenable number.

13889572 is a deficient number, since it is larger than the sum of its proper divisors (10460124).

13889572 is a wasteful number, since it uses less digits than its factorization.

13889572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6136 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 13889572 is about 3726.8716103456. The cubic root of 13889572 is about 240.3788691868.

The spelling of 13889572 in words is "thirteen million, eight hundred eighty-nine thousand, five hundred seventy-two".