12255613 has 4 divisors (see below), whose sum is σ = 12336928. Its totient is φ = 12174300.

The previous prime is 12255599. The next prime is 12255631. The reversal of 12255613 is 31655221.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12255613 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 (12255653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40431 + ... + 40732.

It is an arithmetic number, because the mean of its divisors is an integer number (3084232).

Almost surely, 2^12255613 is an apocalyptic number.

It is an amenable number.

12255613 is a deficient number, since it is larger than the sum of its proper divisors (81315).

12255613 is an equidigital number, since it uses as much as digits as its factorization.

12255613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81314.

The product of its digits is 1800, while the sum is 25.

The square root of 12255613 is about 3500.8017653103. The cubic root of 12255613 is about 230.5570179055.

The spelling of 12255613 in words is "twelve million, two hundred fifty-five thousand, six hundred thirteen".