12649364 has 96 divisors (see below), whose sum is σ = 30105600. Its totient is φ = 4510080.

The previous prime is 12649349. The next prime is 12649391. The reversal of 12649364 is 46394621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214367 + ... + 214425.

It is an arithmetic number, because the mean of its divisors is an integer number (313600).

Almost surely, 2^12649364 is an apocalyptic number.

12649364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12649364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15052800).

12649364 is an abundant number, since it is smaller than the sum of its proper divisors (17456236).

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

12649364 is a wasteful number, since it uses less digits than its factorization.

12649364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 131 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 12649364 is about 3556.5944385043. The cubic root of 12649364 is about 233.0001657793. Note that the first 3 decimals are identical.

The spelling of 12649364 in words is "twelve million, six hundred forty-nine thousand, three hundred sixty-four".