12969015 has 16 divisors (see below), whose sum is σ = 21234048. Its totient is φ = 6755616.

The previous prime is 12969007. The next prime is 12969023. The reversal of 12969015 is 51096921.

It is an interprime number because it is at equal distance from previous prime (12969007) and next prime (12969023).

It is not a de Polignac number, because 12969015 - 2³ = 12969007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9409 + ... + 10698.

It is an arithmetic number, because the mean of its divisors is an integer number (1327128).

Almost surely, 2^12969015 is an apocalyptic number.

12969015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12969015 is a deficient number, since it is larger than the sum of its proper divisors (8265033).

12969015 is a wasteful number, since it uses less digits than its factorization.

12969015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20158.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 12969015 is about 3601.2518656712. The cubic root of 12969015 is about 234.9465096303.

The spelling of 12969015 in words is "twelve million, nine hundred sixty-nine thousand, fifteen".