12649384 has 16 divisors (see below), whose sum is σ = 25873920. Its totient is φ = 5749680.

The previous prime is 12649349. The next prime is 12649391. The reversal of 12649384 is 48394621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71784 + ... + 71959.

It is an arithmetic number, because the mean of its divisors is an integer number (1617120).

Almost surely, 2^12649384 is an apocalyptic number.

It is an amenable number.

12649384 is an abundant number, since it is smaller than the sum of its proper divisors (13224536).

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

12649384 is a wasteful number, since it uses less digits than its factorization.

12649384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143760 (or 143756 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 12649384 is about 3556.5972501817. The cubic root of 12649384 is about 233.0002885787. Note that the first 3 decimals are identical.

It can be divided in two parts, 1264 and 9384, that added together give a cube (10648 = 22³).

The spelling of 12649384 in words is "twelve million, six hundred forty-nine thousand, three hundred eighty-four".