12525570 has 64 divisors (see below), whose sum is σ = 34871040. Its totient is φ = 3193344.

The previous prime is 12525563. The next prime is 12525587. The reversal of 12525570 is 7552521.

It is a happy number.

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

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, 5202 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (544860).

Almost surely, 2^12525570 is an apocalyptic number.

12525570 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 12525570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17435520).

12525570 is an abundant number, since it is smaller than the sum of its proper divisors (22345470).

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

12525570 is a wasteful number, since it uses less digits than its factorization.

12525570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 12525570 is about 3539.1482026047. The cubic root of 12525570 is about 232.2375811349.

The spelling of 12525570 in words is "twelve million, five hundred twenty-five thousand, five hundred seventy".