12910170 has 64 divisors (see below), whose sum is σ = 38142720. Its totient is φ = 2723328.

The previous prime is 12910147. The next prime is 12910189. The reversal of 12910170 is 7101921.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366 + ... + 5094.

It is an arithmetic number, because the mean of its divisors is an integer number (595980).

Almost surely, 2^12910170 is an apocalyptic number.

12910170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12910170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19071360).

12910170 is an abundant number, since it is smaller than the sum of its proper divisors (25232550).

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

12910170 is a wasteful number, since it uses less digits than its factorization.

12910170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 12910170 is about 3593.0725013559. The cubic root of 12910170 is about 234.5906257406.

The spelling of 12910170 in words is "twelve million, nine hundred ten thousand, one hundred seventy".