13906172 has 24 divisors (see below), whose sum is σ = 28406784. Its totient is φ = 5832432.

The previous prime is 13906171. The next prime is 13906181. The reversal of 13906172 is 27160931.

13906172 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 (13906171) 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, 3968 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (1183616).

Almost surely, 2^13906172 is an apocalyptic number.

It is an amenable number.

13906172 is an abundant number, since it is smaller than the sum of its proper divisors (14500612).

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

13906172 is a wasteful number, since it uses less digits than its factorization.

13906172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625 (or 10623 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 13906172 is about 3729.0980142656. The cubic root of 13906172 is about 240.4745932938.

The spelling of 13906172 in words is "thirteen million, nine hundred six thousand, one hundred seventy-two".