13889532 has 24 divisors (see below), whose sum is σ = 34115200. Its totient is φ = 4386096.

The previous prime is 13889531. The next prime is 13889567. The reversal of 13889532 is 23598831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30232 + ... + 30687.

Almost surely, 2^13889532 is an apocalyptic number.

13889532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13889532 is an abundant number, since it is smaller than the sum of its proper divisors (20225668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13889532 is a wasteful number, since it uses less digits than its factorization.

13889532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60945 (or 60943 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 13889532 is about 3726.8662439106. The cubic root of 13889532 is about 240.3786384342.

The spelling of 13889532 in words is "thirteen million, eight hundred eighty-nine thousand, five hundred thirty-two".