12725570 has 48 divisors (see below), whose sum is σ = 27147960. Its totient is φ = 4266240.

The previous prime is 12725563. The next prime is 12725591. The reversal of 12725570 is 7552721.

It can be written as a sum of positive squares in 4 ways, for example, as 10387729 + 2337841 = 3223^2 + 1529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15326 + ... + 16134.

Almost surely, 2^12725570 is an apocalyptic number.

12725570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12725570 is an abundant number, since it is smaller than the sum of its proper divisors (14422390).

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

12725570 is a wasteful number, since it uses less digits than its factorization.

12725570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 12725570 is about 3567.2916897837. The cubic root of 12725570 is about 233.4671318790.

The spelling of 12725570 in words is "twelve million, seven hundred twenty-five thousand, five hundred seventy".