13502172 has 48 divisors (see below), whose sum is σ = 32643072. Its totient is φ = 4341120.

The previous prime is 13502171. The next prime is 13502189. The reversal of 13502172 is 27120531.

13502172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13502171) 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, 70597 + ... + 70787.

It is an arithmetic number, because the mean of its divisors is an integer number (680064).

Almost surely, 2^13502172 is an apocalyptic number.

13502172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13502172 is an abundant number, since it is smaller than the sum of its proper divisors (19140900).

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

13502172 is a wasteful number, since it uses less digits than its factorization.

13502172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 13502172 is about 3674.5301740495. The cubic root of 13502172 is about 238.1229268700.

The spelling of 13502172 in words is "thirteen million, five hundred two thousand, one hundred seventy-two".