12828015 has 24 divisors (see below), whose sum is σ = 22492080. Its totient is φ = 6762624.

The previous prime is 12828007. The next prime is 12828031. The reversal of 12828015 is 51082821.

It is not a de Polignac number, because 12828015 - 2³ = 12828007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12828015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2404 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (937170).

Almost surely, 2^12828015 is an apocalyptic number.

12828015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12828015 is a deficient number, since it is larger than the sum of its proper divisors (9664065).

12828015 is a wasteful number, since it uses less digits than its factorization.

12828015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12828015 is about 3581.6218393348. The cubic root of 12828015 is about 234.0919537796.

The spelling of 12828015 in words is "twelve million, eight hundred twenty-eight thousand, fifteen".