12825613 has 4 divisors (see below), whose sum is σ = 12939228. Its totient is φ = 12712000.

The previous prime is 12825607. The next prime is 12825619. The reversal of 12825613 is 31652821.

12825613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12825607) and next prime (12825619).

It can be written as a sum of positive squares in 2 ways, for example, as 4052169 + 8773444 = 2013^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 12825613 - 2⁵ = 12825581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825619) 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 3 ways as a sum of consecutive naturals, for example, 56638 + ... + 56863.

It is an arithmetic number, because the mean of its divisors is an integer number (3234807).

Almost surely, 2^12825613 is an apocalyptic number.

It is an amenable number.

12825613 is a deficient number, since it is larger than the sum of its proper divisors (113615).

12825613 is a wasteful number, since it uses less digits than its factorization.

12825613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113614.

The product of its digits is 2880, while the sum is 28.

The square root of 12825613 is about 3581.2865006866. The cubic root of 12825613 is about 234.0773419067.

The spelling of 12825613 in words is "twelve million, eight hundred twenty-five thousand, six hundred thirteen".