12364531 has 4 divisors (see below), whose sum is σ = 12399912. Its totient is φ = 12329152.

The previous prime is 12364507. The next prime is 12364537. The reversal of 12364531 is 13546321.

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 12364531 - 2⁷ = 12364403 is a prime.

It is a super-2 number, since 2×12364531² = 305763253699922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12364496 and 12364505.

It is not an unprimeable number, because it can be changed into a prime (12364537) 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, 17161 + ... + 17866.

It is an arithmetic number, because the mean of its divisors is an integer number (3099978).

Almost surely, 2^12364531 is an apocalyptic number.

12364531 is a deficient number, since it is larger than the sum of its proper divisors (35381).

12364531 is an equidigital number, since it uses as much as digits as its factorization.

12364531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35380.

The product of its digits is 2160, while the sum is 25.

The square root of 12364531 is about 3516.3235061638. The cubic root of 12364531 is about 231.2380060982.

The spelling of 12364531 in words is "twelve million, three hundred sixty-four thousand, five hundred thirty-one".