12606615 has 48 divisors (see below), whose sum is σ = 25798656. Its totient is φ = 5572800.

The previous prime is 12606593. The next prime is 12606623. The reversal of 12606615 is 51660621.

It is a happy number.

It is not a de Polignac number, because 12606615 - 2⁶ = 12606551 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 (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9120 + ... + 10410.

It is an arithmetic number, because the mean of its divisors is an integer number (537472).

Almost surely, 2^12606615 is an apocalyptic number.

12606615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12606615 is an abundant number, since it is smaller than the sum of its proper divisors (13192041).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12606615 is a wasteful number, since it uses less digits than its factorization.

12606615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12606615 is about 3550.5795301612. The cubic root of 12606615 is about 232.7373919393.

It can be divided in two parts, 1260 and 6615, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 12606615 in words is "twelve million, six hundred six thousand, six hundred fifteen".