13888872 has 48 divisors (see below), whose sum is σ = 39255840. Its totient is φ = 4427808.

The previous prime is 13888843. The next prime is 13888879. The reversal of 13888872 is 27888831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13888879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2538 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (817830).

Almost surely, 2^13888872 is an apocalyptic number.

13888872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13888872 is an abundant number, since it is smaller than the sum of its proper divisors (25366968).

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

13888872 is a wasteful number, since it uses less digits than its factorization.

13888872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422 (or 8415 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 13888872 is about 3726.7776966167. Note that the first 3 decimals coincide. The cubic root of 13888872 is about 240.3748309526.

The spelling of 13888872 in words is "thirteen million, eight hundred eighty-eight thousand, eight hundred seventy-two".