12364591 has 2 divisors, whose sum is σ = 12364592. Its totient is φ = 12364590.

The previous prime is 12364543. The next prime is 12364601. The reversal of 12364591 is 19546321.

12364591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19546321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12364591 - 2¹⁷ = 12233519 is a prime.

It is a super-2 number, since 2×12364591² = 305766221194562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12367591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6182295 + 6182296.

It is an arithmetic number, because the mean of its divisors is an integer number (6182296).

Almost surely, 2^12364591 is an apocalyptic number.

12364591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12364591 is an equidigital number, since it uses as much as digits as its factorization.

12364591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 12364591 is about 3516.3320377917. The cubic root of 12364591 is about 231.2383801320.

The spelling of 12364591 in words is "twelve million, three hundred sixty-four thousand, five hundred ninety-one".