12396626984 has 128 divisors (see below), whose sum is σ = 29500070400. Its totient is φ = 4760985600.

The previous prime is 12396626971. The next prime is 12396626999. The reversal of 12396626984 is 48962669321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 2012309 + ... + 2018459.

It is an arithmetic number, because the mean of its divisors is an integer number (230469300).

Almost surely, 2^12396626984 is an apocalyptic number.

12396626984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12396626984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14750035200).

12396626984 is an abundant number, since it is smaller than the sum of its proper divisors (17103443416).

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

12396626984 is a wasteful number, since it uses less digits than its factorization.

12396626984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283 (or 6279 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The spelling of 12396626984 in words is "twelve billion, three hundred ninety-six million, six hundred twenty-six thousand, nine hundred eighty-four".