12893015 has 4 divisors (see below), whose sum is σ = 15471624. Its totient is φ = 10314408.

The previous prime is 12893009. The next prime is 12893017. The reversal of 12893015 is 51039821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12893015 is a prime.

It is a super-3 number, since 3×12893015³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289297 + ... + 1289306.

It is an arithmetic number, because the mean of its divisors is an integer number (3867906).

Almost surely, 2^12893015 is an apocalyptic number.

12893015 is a deficient number, since it is larger than the sum of its proper divisors (2578609).

12893015 is an equidigital number, since it uses as much as digits as its factorization.

12893015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578608.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12893015 is about 3590.6844751384. The cubic root of 12893015 is about 234.4866718799.

The spelling of 12893015 in words is "twelve million, eight hundred ninety-three thousand, fifteen".