13286172 has 24 divisors (see below), whose sum is σ = 31084816. Its totient is φ = 4416768.

The previous prime is 13286171. The next prime is 13286177. The reversal of 13286172 is 27168231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13286171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918 + ... + 6474.

Almost surely, 2^13286172 is an apocalyptic number.

13286172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13286172 is an abundant number, since it is smaller than the sum of its proper divisors (17798644).

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

13286172 is a wasteful number, since it uses less digits than its factorization.

13286172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2995 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 13286172 is about 3645.0201645533. The cubic root of 13286172 is about 236.8463102983.

The spelling of 13286172 in words is "thirteen million, two hundred eighty-six thousand, one hundred seventy-two".