13387937201 has 4 divisors (see below), whose sum is σ = 13393924212. Its totient is φ = 13381950192.

The previous prime is 13387937197. The next prime is 13387937243. The reversal of 13387937201 is 10273978331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10273978331 = 3557 ⋅2888383.

It can be written as a sum of positive squares in 2 ways, for example, as 11454136576 + 1933800625 = 107024^2 + 43975^2 .

It is a cyclic number.

It is not a de Polignac number, because 13387937201 - 2² = 13387937197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13387931201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990150 + ... + 2994623.

It is an arithmetic number, because the mean of its divisors is an integer number (3348481053).

Almost surely, 2^13387937201 is an apocalyptic number.

It is an amenable number.

13387937201 is a deficient number, since it is larger than the sum of its proper divisors (5987011).

13387937201 is an equidigital number, since it uses as much as digits as its factorization.

13387937201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987010.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 13387937201 in words is "thirteen billion, three hundred eighty-seven million, nine hundred thirty-seven thousand, two hundred one".