13340172 has 24 divisors (see below), whose sum is σ = 32958576. Its totient is φ = 4185088.

The previous prime is 13340167. The next prime is 13340179. The reversal of 13340172 is 27104331.

It is not an unprimeable number, because it can be changed into a prime (13340179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32493 + ... + 32900.

It is an arithmetic number, because the mean of its divisors is an integer number (1373274).

Almost surely, 2^13340172 is an apocalyptic number.

13340172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13340172 is an abundant number, since it is smaller than the sum of its proper divisors (19618404).

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

13340172 is a wasteful number, since it uses less digits than its factorization.

13340172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65417 (or 65415 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13340172 is about 3652.4200196582. The cubic root of 13340172 is about 237.1667540497.

The spelling of 13340172 in words is "thirteen million, three hundred forty thousand, one hundred seventy-two".