12572665 has 16 divisors (see below), whose sum is σ = 17596800. Its totient is φ = 8620080.

The previous prime is 12572663. The next prime is 12572671. The reversal of 12572665 is 56627521.

It is not a de Polignac number, because 12572665 - 2¹ = 12572663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12572665.

It is not an unprimeable number, because it can be changed into a prime (12572663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1951 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (1099800).

Almost surely, 2^12572665 is an apocalyptic number.

It is an amenable number.

12572665 is a deficient number, since it is larger than the sum of its proper divisors (5024135).

12572665 is an frugal number, since it uses more digits than its factorization.

12572665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357 (or 7343 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 12572665 is about 3545.7953973686. The cubic root of 12572665 is about 232.5282811399.

The spelling of 12572665 in words is "twelve million, five hundred seventy-two thousand, six hundred sixty-five".