12952815 has 8 divisors (see below), whose sum is σ = 20724528. Its totient is φ = 6908160.

The previous prime is 12952799. The next prime is 12952817. The reversal of 12952815 is 51825921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12952815 - 2⁴ = 12952799 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12952817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431746 + ... + 431775.

It is an arithmetic number, because the mean of its divisors is an integer number (2590566).

Almost surely, 2^12952815 is an apocalyptic number.

12952815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12952815 is a deficient number, since it is larger than the sum of its proper divisors (7771713).

12952815 is an equidigital number, since it uses as much as digits as its factorization.

12952815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863529.

The product of its digits is 7200, while the sum is 33.

The square root of 12952815 is about 3599.0019449842. The cubic root of 12952815 is about 234.8486425385.

The spelling of 12952815 in words is "twelve million, nine hundred fifty-two thousand, eight hundred fifteen".