12572113 has 4 divisors (see below), whose sum is σ = 12582000. Its totient is φ = 12562228.

The previous prime is 12572069. The next prime is 12572123. The reversal of 12572113 is 31127521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31127521 = 139 ⋅223939.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12572113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12572123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2695 + ... + 5692.

It is an arithmetic number, because the mean of its divisors is an integer number (3145500).

Almost surely, 2^12572113 is an apocalyptic number.

It is an amenable number.

12572113 is a deficient number, since it is larger than the sum of its proper divisors (9887).

12572113 is an equidigital number, since it uses as much as digits as its factorization.

12572113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886.

The product of its digits is 420, while the sum is 22.

The square root of 12572113 is about 3545.7175578435. The cubic root of 12572113 is about 232.5248780563.

Adding to 12572113 its reverse (31127521), we get a palindrome (43699634).

The spelling of 12572113 in words is "twelve million, five hundred seventy-two thousand, one hundred thirteen".