12901570 has 32 divisors (see below), whose sum is σ = 26671680. Its totient is φ = 4443840.

The previous prime is 12901543. The next prime is 12901571. The reversal of 12901570 is 7510921.

It is not an unprimeable number, because it can be changed into a prime (12901571) 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 15 ways as a sum of consecutive naturals, for example, 997 + ... + 5176.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^12901570 is an apocalyptic number.

12901570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12901570 is an abundant number, since it is smaller than the sum of its proper divisors (13770110).

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

12901570 is a wasteful number, since it uses less digits than its factorization.

12901570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 12901570 is about 3591.8755546372. The cubic root of 12901570 is about 234.5385239861.

The spelling of 12901570 in words is "twelve million, nine hundred one thousand, five hundred seventy".