12847440375 has 224 divisors, whose sum is σ = 29987582976. Its totient is φ = 5336280000.

The previous prime is 12847440343. The next prime is 12847440401. The reversal of 12847440375 is 57304474821.

It is not a de Polignac number, because 12847440375 - 2⁵ = 12847440343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12847440375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 7015710 + ... + 7017540.

Almost surely, 2^12847440375 is an apocalyptic number.

12847440375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12847440375 is an abundant number, since it is smaller than the sum of its proper divisors (17140142601).

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

12847440375 is an equidigital number, since it uses as much as digits as its factorization.

12847440375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 12847440375 in words is "twelve billion, eight hundred forty-seven million, four hundred forty thousand, three hundred seventy-five".