13065797398 has 16 divisors (see below), whose sum is σ = 19895668416. Its totient is φ = 6434164800.

The previous prime is 13065797351. The next prime is 13065797399. The reversal of 13065797398 is 89379756031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13065797399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38515 + ... + 166177.

It is an arithmetic number, because the mean of its divisors is an integer number (1243479276).

Almost surely, 2^13065797398 is an apocalyptic number.

13065797398 is a deficient number, since it is larger than the sum of its proper divisors (6829871018).

13065797398 is a wasteful number, since it uses less digits than its factorization.

13065797398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128439.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 13065797398 in words is "thirteen billion, sixty-five million, seven hundred ninety-seven thousand, three hundred ninety-eight".