12892015 has 4 divisors (see below), whose sum is σ = 15470424. Its totient is φ = 10313608.

The previous prime is 12891973. The next prime is 12892027. The reversal of 12892015 is 51029821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51029821 = 29 ⋅1759649.

It is a cyclic number.

It is not a de Polignac number, because 12892015 - 2¹¹ = 12889967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289197 + ... + 1289206.

It is an arithmetic number, because the mean of its divisors is an integer number (3867606).

Almost surely, 2^12892015 is an apocalyptic number.

12892015 is a deficient number, since it is larger than the sum of its proper divisors (2578409).

12892015 is an equidigital number, since it uses as much as digits as its factorization.

12892015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578408.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12892015 is about 3590.5452232217. The cubic root of 12892015 is about 234.4806093534.

The spelling of 12892015 in words is "twelve million, eight hundred ninety-two thousand, fifteen".