12616488 has 24 divisors (see below), whose sum is σ = 34169850. Its totient is φ = 4205472.

The previous prime is 12616481. The next prime is 12616493. The reversal of 12616488 is 88461621.

12616488 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 648 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 1205604 = 3378^2 + 1098^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12616481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87543 + ... + 87686.

Almost surely, 2^12616488 is an apocalyptic number.

12616488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12616488 is an abundant number, since it is smaller than the sum of its proper divisors (21553362).

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

12616488 is a wasteful number, since it uses less digits than its factorization.

12616488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175241 (or 175234 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 12616488 is about 3551.9695944645. The cubic root of 12616488 is about 232.7981329783.

The spelling of 12616488 in words is "twelve million, six hundred sixteen thousand, four hundred eighty-eight".