12620395398 has 16 divisors (see below), whose sum is σ = 27182390256. Its totient is φ = 3883198560.

The previous prime is 12620395369. The next prime is 12620395409. The reversal of 12620395398 is 89359302621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80899893 + ... + 80900048.

It is an arithmetic number, because the mean of its divisors is an integer number (1698899391).

Almost surely, 2^12620395398 is an apocalyptic number.

12620395398 is an abundant number, since it is smaller than the sum of its proper divisors (14561994858).

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

12620395398 is a wasteful number, since it uses less digits than its factorization.

12620395398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161799959.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 12620395398 in words is "twelve billion, six hundred twenty million, three hundred ninety-five thousand, three hundred ninety-eight".