12895515 has 24 divisors (see below), whose sum is σ = 22435920. Its totient is φ = 6851904.

The previous prime is 12895513. The next prime is 12895529. The reversal of 12895515 is 51559821.

It is a happy number.

It is not a de Polignac number, because 12895515 - 2¹ = 12895513 is a prime.

It is a super-3 number, since 3×12895515³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12895515.

It is not an unprimeable number, because it can be changed into a prime (12895511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22624 + ... + 23186.

It is an arithmetic number, because the mean of its divisors is an integer number (934830).

Almost surely, 2^12895515 is an apocalyptic number.

12895515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12895515 is a deficient number, since it is larger than the sum of its proper divisors (9540405).

12895515 is a wasteful number, since it uses less digits than its factorization.

12895515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1080 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

The square root of 12895515 is about 3591.0325813058. The cubic root of 12895515 is about 234.5018268248.

The spelling of 12895515 in words is "twelve million, eight hundred ninety-five thousand, five hundred fifteen".