13170870 has 32 divisors (see below), whose sum is σ = 35123040. Its totient is φ = 3512160.

The previous prime is 13170851. The next prime is 13170907. The reversal of 13170870 is 7807131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24121 + ... + 24660.

It is an arithmetic number, because the mean of its divisors is an integer number (1097595).

Almost surely, 2^13170870 is an apocalyptic number.

13170870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13170870 is an abundant number, since it is smaller than the sum of its proper divisors (21952170).

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

13170870 is a wasteful number, since it uses less digits than its factorization.

13170870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48797 (or 48791 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 13170870 is about 3629.1693264437. The cubic root of 13170870 is about 236.1591739552.

The spelling of 13170870 in words is "thirteen million, one hundred seventy thousand, eight hundred seventy".