12915633 has 4 divisors (see below), whose sum is σ = 17220848. Its totient is φ = 8610420.

The previous prime is 12915593. The next prime is 12915653. The reversal of 12915633 is 33651921.

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 not a de Polignac number, because 12915633 - 2⁸ = 12915377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12915633.

It is not an unprimeable number, because it can be changed into a prime (12915653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2152603 + ... + 2152608.

It is an arithmetic number, because the mean of its divisors is an integer number (4305212).

Almost surely, 2^12915633 is an apocalyptic number.

It is an amenable number.

12915633 is a deficient number, since it is larger than the sum of its proper divisors (4305215).

12915633 is an equidigital number, since it uses as much as digits as its factorization.

12915633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305214.

The product of its digits is 4860, while the sum is 30.

The square root of 12915633 is about 3593.8326338326. The cubic root of 12915633 is about 234.6237104550.

The spelling of 12915633 in words is "twelve million, nine hundred fifteen thousand, six hundred thirty-three".