12904170 has 16 divisors (see below), whose sum is σ = 30970080. Its totient is φ = 3441104.

The previous prime is 12904169. The next prime is 12904181. The reversal of 12904170 is 7140921.

It is a self number, because there is not a number n which added to its sum of digits gives 12904170.

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 7 ways as a sum of consecutive naturals, for example, 215040 + ... + 215099.

It is an arithmetic number, because the mean of its divisors is an integer number (1935630).

Almost surely, 2^12904170 is an apocalyptic number.

12904170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12904170 is an abundant number, since it is smaller than the sum of its proper divisors (18065910).

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

12904170 is a wasteful number, since it uses less digits than its factorization.

12904170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430149.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12904170 is about 3592.2374643111. The cubic root of 12904170 is about 234.5542781205.

It can be divided in two parts, 1290 and 4170, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 12904170 in words is "twelve million, nine hundred four thousand, one hundred seventy".