12447401750 has 64 divisors (see below), whose sum is σ = 27548726400. Its totient is φ = 4120502400.

The previous prime is 12447401711. The next prime is 12447401753. The reversal of 12447401750 is 5710474421.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12447401750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12447401753) 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, 71885 + ... + 173384.

It is an arithmetic number, because the mean of its divisors is an integer number (430448850).

Almost surely, 2^12447401750 is an apocalyptic number.

12447401750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12447401750 is an abundant number, since it is smaller than the sum of its proper divisors (15101324650).

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

12447401750 is a wasteful number, since it uses less digits than its factorization.

12447401750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245322 (or 245312 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The spelling of 12447401750 in words is "twelve billion, four hundred forty-seven million, four hundred one thousand, seven hundred fifty".