13070172 has 24 divisors (see below), whose sum is σ = 30618000. Its totient is φ = 4339456.

The previous prime is 13070149. The next prime is 13070173. The reversal of 13070172 is 27107031.

It is a super-2 number, since 2×13070172² = 341658792219168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13070173) 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, 1204 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^13070172 is an apocalyptic number.

13070172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13070172 is an abundant number, since it is smaller than the sum of its proper divisors (17547828).

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

13070172 is a wasteful number, since it uses less digits than its factorization.

13070172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325 (or 4323 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 13070172 is about 3615.2692845762. The cubic root of 13070172 is about 235.5557812518. Note that the first 3 decimals are identical.

The spelling of 13070172 in words is "thirteen million, seventy thousand, one hundred seventy-two".