12255131 has 4 divisors (see below), whose sum is σ = 14005872. Its totient is φ = 10504392.

The previous prime is 12255121. The next prime is 12255143. The reversal of 12255131 is 13155221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12255131 - 2¹⁸ = 11992987 is a prime.

It is a super-2 number, since 2×12255131² = 300376471654322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12255121) 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, 875360 + ... + 875373.

It is an arithmetic number, because the mean of its divisors is an integer number (3501468).

Almost surely, 2^12255131 is an apocalyptic number.

12255131 is a deficient number, since it is larger than the sum of its proper divisors (1750741).

12255131 is an equidigital number, since it uses as much as digits as its factorization.

12255131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750740.

The product of its digits is 300, while the sum is 20.

The square root of 12255131 is about 3500.7329232605. The cubic root of 12255131 is about 230.5539953465.

The spelling of 12255131 in words is "twelve million, two hundred fifty-five thousand, one hundred thirty-one".