12905414404 has 27 divisors (see below), whose sum is σ = 22905831207. Its totient is φ = 6362166408.

The previous prime is 12905414369. The next prime is 12905414407. The reversal of 12905414404 is 40441450921.

It is a happy number.

The square root of 12905414404 is 113602.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12905414404.

It is not an unprimeable number, because it can be changed into a prime (12905414407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17948757 + ... + 17949475.

Almost surely, 2^12905414404 is an apocalyptic number.

12905414404 is the 113602-nd square number.

It is an amenable number.

12905414404 is a deficient number, since it is larger than the sum of its proper divisors (10000416803).

12905414404 is an frugal number, since it uses more digits than its factorization.

12905414404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 12905414404 in words is "twelve billion, nine hundred five million, four hundred fourteen thousand, four hundred four".