12709404 has 72 divisors (see below), whose sum is σ = 35839440. Its totient is φ = 3773952.

The previous prime is 12709397. The next prime is 12709427. The reversal of 12709404 is 40490721.

It is a happy number.

12709404 is nontrivially palindromic in base 16.

12709404 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 23 ways as a sum of consecutive naturals, for example, 11082 + ... + 12174.

It is an arithmetic number, because the mean of its divisors is an integer number (497770).

Almost surely, 2^12709404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12709404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17919720).

12709404 is an abundant number, since it is smaller than the sum of its proper divisors (23130036).

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

12709404 is a wasteful number, since it uses less digits than its factorization.

12709404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12709404 is about 3565.0251051009. The cubic root of 12709404 is about 233.3682278879.

The spelling of 12709404 in words is "twelve million, seven hundred nine thousand, four hundred four".