12307450605 has 32 divisors (see below), whose sum is σ = 19766081280. Its totient is φ = 6539304960.

The previous prime is 12307450601. The next prime is 12307450613. The reversal of 12307450605 is 50605470321.

It is not a de Polignac number, because 12307450605 - 2² = 12307450601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12307450601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7591695 + ... + 7593315.

It is an arithmetic number, because the mean of its divisors is an integer number (617690040).

Almost surely, 2^12307450605 is an apocalyptic number.

12307450605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12307450605 is a deficient number, since it is larger than the sum of its proper divisors (7458630675).

12307450605 is a wasteful number, since it uses less digits than its factorization.

12307450605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 12307450605 in words is "twelve billion, three hundred seven million, four hundred fifty thousand, six hundred five".