12616955 has 16 divisors (see below), whose sum is σ = 16534560. Its totient is φ = 9186048.

The previous prime is 12616927. The next prime is 12616957. The reversal of 12616955 is 55961621.

It is a cyclic number.

It is not a de Polignac number, because 12616955 - 2¹⁰ = 12615931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12616957) 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 15 ways as a sum of consecutive naturals, for example, 3416 + ... + 6074.

It is an arithmetic number, because the mean of its divisors is an integer number (1033410).

Almost surely, 2^12616955 is an apocalyptic number.

12616955 is a deficient number, since it is larger than the sum of its proper divisors (3917605).

12616955 is a wasteful number, since it uses less digits than its factorization.

12616955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750.

The product of its digits is 16200, while the sum is 35.

The square root of 12616955 is about 3552.0353320315. The cubic root of 12616955 is about 232.8010052881.

The spelling of 12616955 in words is "twelve million, six hundred sixteen thousand, nine hundred fifty-five".