12447089364 has 24 divisors (see below), whose sum is σ = 29045100448. Its totient is φ = 4148759520.

The previous prime is 12447089353. The next prime is 12447089387. The reversal of 12447089364 is 46398074421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260979 + ... + 304965.

Almost surely, 2^12447089364 is an apocalyptic number.

It is an amenable number.

12447089364 is an abundant number, since it is smaller than the sum of its proper divisors (16598011084).

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

12447089364 is a wasteful number, since it uses less digits than its factorization.

12447089364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67575 (or 67573 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 12447089364 in words is "twelve billion, four hundred forty-seven million, eighty-nine thousand, three hundred sixty-four".