13320626337 has 20 divisors (see below), whose sum is σ = 20074822020. Its totient is φ = 8801823744.

The previous prime is 13320626327. The next prime is 13320626339. The reversal of 13320626337 is 73362602331.

13320626337 is a `hidden beast` number, since 1 + 3 + 3 + 20 + 626 + 3 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1024256016 + 12296370321 = 32004^2 + 110889^2 .

It is not a de Polignac number, because 13320626337 - 2⁴ = 13320626321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320626339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 718512 + ... + 736817.

It is an arithmetic number, because the mean of its divisors is an integer number (1003741101).

Almost surely, 2^13320626337 is an apocalyptic number.

It is an amenable number.

13320626337 is a deficient number, since it is larger than the sum of its proper divisors (6754195683).

13320626337 is a wasteful number, since it uses less digits than its factorization.

13320626337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455454 (or 1455445 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 36.

The spelling of 13320626337 in words is "thirteen billion, three hundred twenty million, six hundred twenty-six thousand, three hundred thirty-seven".