12913709452 has 12 divisors (see below), whose sum is σ = 25827418960. Its totient is φ = 5534446896.

The previous prime is 12913709449. The next prime is 12913709477. The reversal of 12913709452 is 25490731921.

12913709452 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12913709399 and 12913709408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230601927 + ... + 230601982.

Almost surely, 2^12913709452 is an apocalyptic number.

It is an amenable number.

12913709452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12913709452 is a wasteful number, since it uses less digits than its factorization.

12913709452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461203920 (or 461203918 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 12913709452 in words is "twelve billion, nine hundred thirteen million, seven hundred nine thousand, four hundred fifty-two".