12347557860 has 96 divisors (see below), whose sum is σ = 38735609472. Its totient is φ = 2912440320.

The previous prime is 12347557837. The next prime is 12347557883. The reversal of 12347557860 is 6875574321.

It is an interprime number because it is at equal distance from previous prime (12347557837) and next prime (12347557883).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228397 + ... + 277236.

It is an arithmetic number, because the mean of its divisors is an integer number (403495932).

Almost surely, 2^12347557860 is an apocalyptic number.

12347557860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12347557860 is an abundant number, since it is smaller than the sum of its proper divisors (26388051612).

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

12347557860 is a wasteful number, since it uses less digits than its factorization.

12347557860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505693 (or 505691 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 12347557860 in words is "twelve billion, three hundred forty-seven million, five hundred fifty-seven thousand, eight hundred sixty".