12347033457 has 16 divisors (see below), whose sum is σ = 18161115840. Its totient is φ = 7398969600.

The previous prime is 12347033453. The next prime is 12347033471. The reversal of 12347033457 is 75433074321.

It is not a de Polignac number, because 12347033457 - 2² = 12347033453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12347033453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099044 + ... + 2104917.

It is an arithmetic number, because the mean of its divisors is an integer number (1135069740).

Almost surely, 2^12347033457 is an apocalyptic number.

It is an amenable number.

12347033457 is a deficient number, since it is larger than the sum of its proper divisors (5814082383).

12347033457 is a wasteful number, since it uses less digits than its factorization.

12347033457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204064.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 12347033457 in words is "twelve billion, three hundred forty-seven million, thirty-three thousand, four hundred fifty-seven".