12129304 has 32 divisors (see below), whose sum is σ = 24944400. Its totient is φ = 5483520.

The previous prime is 12129287. The next prime is 12129343. The reversal of 12129304 is 40392121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 29452 + ... + 29860.

Almost surely, 2^12129304 is an apocalyptic number.

It is an amenable number.

12129304 is an abundant number, since it is smaller than the sum of its proper divisors (12815096).

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

12129304 is a wasteful number, since it uses less digits than its factorization.

12129304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12129304 is about 3482.7150328443. The cubic root of 12129304 is about 229.7622243398.

The spelling of 12129304 in words is "twelve million, one hundred twenty-nine thousand, three hundred four".