13439172 has 24 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 4466656.

The previous prime is 13439171. The next prime is 13439189. The reversal of 13439172 is 27193431.

It is a super-3 number, since 3×13439172³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13439171) 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, 3229 + ... + 6107.

It is an arithmetic number, because the mean of its divisors is an integer number (1310400).

Almost surely, 2^13439172 is an apocalyptic number.

13439172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13439172 is an abundant number, since it is smaller than the sum of its proper divisors (18010428).

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

13439172 is a wasteful number, since it uses less digits than its factorization.

13439172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275 (or 3273 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 13439172 is about 3665.9476264671. The cubic root of 13439172 is about 237.7519955029.

The spelling of 13439172 in words is "thirteen million, four hundred thirty-nine thousand, one hundred seventy-two".