12815182 has 4 divisors (see below), whose sum is σ = 19222776. Its totient is φ = 6407590.

The previous prime is 12815171. The next prime is 12815191. The reversal of 12815182 is 28151821.

12815182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28151821 = 659 ⋅42719.

It is a super-3 number, since 3×12815182³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12815182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203794 + ... + 3203797.

It is an arithmetic number, because the mean of its divisors is an integer number (4805694).

Almost surely, 2^12815182 is an apocalyptic number.

12815182 is a deficient number, since it is larger than the sum of its proper divisors (6407594).

12815182 is an equidigital number, since it uses as much as digits as its factorization.

12815182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407593.

The product of its digits is 1280, while the sum is 28.

The square root of 12815182 is about 3579.8298842263. The cubic root of 12815182 is about 234.0138667605.

The spelling of 12815182 in words is "twelve million, eight hundred fifteen thousand, one hundred eighty-two".