12900415 has 12 divisors (see below), whose sum is σ = 17016552. Its totient is φ = 9381680.

The previous prime is 12900403. The next prime is 12900443. The reversal of 12900415 is 51400921.

It is a de Polignac number, because none of the positive numbers 2^k-12900415 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 10057 + ... + 11266.

It is an arithmetic number, because the mean of its divisors is an integer number (1418046).

Almost surely, 2^12900415 is an apocalyptic number.

12900415 is a deficient number, since it is larger than the sum of its proper divisors (4116137).

12900415 is a wasteful number, since it uses less digits than its factorization.

12900415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21350 (or 21339 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12900415 is about 3591.7147715263. The cubic root of 12900415 is about 234.5315248359.

The spelling of 12900415 in words is "twelve million, nine hundred thousand, four hundred fifteen".