13872516 has 48 divisors (see below), whose sum is σ = 37201920. Its totient is φ = 3941280.

The previous prime is 13872511. The next prime is 13872517. The reversal of 13872516 is 61527831.

13872516 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13872511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19731 + ... + 20421.

It is an arithmetic number, because the mean of its divisors is an integer number (775040).

Almost surely, 2^13872516 is an apocalyptic number.

It is an amenable number.

13872516 is an abundant number, since it is smaller than the sum of its proper divisors (23329404).

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

13872516 is a wasteful number, since it uses less digits than its factorization.

13872516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 942 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 13872516 is about 3724.5826611850. The cubic root of 13872516 is about 240.2804360763.

The spelling of 13872516 in words is "thirteen million, eight hundred seventy-two thousand, five hundred sixteen".