12616940 has 24 divisors (see below), whose sum is σ = 30280992. Its totient is φ = 4325760.

The previous prime is 12616927. The next prime is 12616957. The reversal of 12616940 is 4961621.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44921 + ... + 45200.

It is an arithmetic number, because the mean of its divisors is an integer number (1261708).

Almost surely, 2^12616940 is an apocalyptic number.

12616940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12616940 is an abundant number, since it is smaller than the sum of its proper divisors (17664052).

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

12616940 is a wasteful number, since it uses less digits than its factorization.

12616940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90137 (or 90135 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12616940 is about 3552.0332205654. The cubic root of 12616940 is about 232.8009130308.

The spelling of 12616940 in words is "twelve million, six hundred sixteen thousand, nine hundred forty".