12635767248 has 80 divisors (see below), whose sum is σ = 36365589120. Its totient is φ = 3753856512.

The previous prime is 12635767229. The next prime is 12635767297. The reversal of 12635767248 is 84276753621.

It is a happy number.

It is a super-2 number, since 2×12635767248² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12635767248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331036 + ... + 367227.

It is an arithmetic number, because the mean of its divisors is an integer number (454569864).

Almost surely, 2^12635767248 is an apocalyptic number.

It is an amenable number.

12635767248 is an abundant number, since it is smaller than the sum of its proper divisors (23729821872).

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

12635767248 is a wasteful number, since it uses less digits than its factorization.

12635767248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698316 (or 698310 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 12635767248 in words is "twelve billion, six hundred thirty-five million, seven hundred sixty-seven thousand, two hundred forty-eight".