12329646 has 32 divisors (see below), whose sum is σ = 28370688. Its totient is φ = 3499200.

The previous prime is 12329593. The next prime is 12329657. The reversal of 12329646 is 64692321.

12329646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5946 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (886584).

Almost surely, 2^12329646 is an apocalyptic number.

12329646 is an abundant number, since it is smaller than the sum of its proper divisors (16041042).

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

12329646 is a wasteful number, since it uses less digits than its factorization.

12329646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its digits is 15552, while the sum is 33.

The square root of 12329646 is about 3511.3595657523. The cubic root of 12329646 is about 231.0203314126.

It can be divided in two parts, 1232 and 9646, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 12329646 in words is "twelve million, three hundred twenty-nine thousand, six hundred forty-six".