12646146 has 16 divisors (see below), whose sum is σ = 26164800. Its totient is φ = 4069968.

The previous prime is 12646141. The next prime is 12646177. The reversal of 12646146 is 64164621.

It is not an unprimeable number, because it can be changed into a prime (12646141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36166 + ... + 36513.

It is an arithmetic number, because the mean of its divisors is an integer number (1635300).

Almost surely, 2^12646146 is an apocalyptic number.

12646146 is an abundant number, since it is smaller than the sum of its proper divisors (13518654).

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

12646146 is a wasteful number, since it uses less digits than its factorization.

12646146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72713.

The product of its digits is 6912, while the sum is 30.

The square root of 12646146 is about 3556.1420106627. The cubic root of 12646146 is about 232.9804056785.

The spelling of 12646146 in words is "twelve million, six hundred forty-six thousand, one hundred forty-six".