12264815 has 4 divisors (see below), whose sum is σ = 14717784. Its totient is φ = 9811848.

The previous prime is 12264799. The next prime is 12264817. The reversal of 12264815 is 51846221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51846221 = 7 ⋅7406603.

It is a cyclic number.

It is not a de Polignac number, because 12264815 - 2⁴ = 12264799 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 (12264817) 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, 1226477 + ... + 1226486.

It is an arithmetic number, because the mean of its divisors is an integer number (3679446).

Almost surely, 2^12264815 is an apocalyptic number.

12264815 is a deficient number, since it is larger than the sum of its proper divisors (2452969).

12264815 is an equidigital number, since it uses as much as digits as its factorization.

12264815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452968.

The product of its digits is 3840, while the sum is 29.

The square root of 12264815 is about 3502.1157890624. The cubic root of 12264815 is about 230.6147072519.

The spelling of 12264815 in words is "twelve million, two hundred sixty-four thousand, eight hundred fifteen".