13020013201 has 4 divisors (see below), whose sum is σ = 14021552692. Its totient is φ = 12018473712.

The previous prime is 13020013183. The next prime is 13020013243. The reversal of 13020013201 is 10231002031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6986452225 + 6033560976 = 83585^2 + 77676^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020013201 - 2⁷ = 13020013073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1001539477 = 13020013201 / (1 + 3 + 0 + 2 + 0 + 0 + 1 + 3 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020011201) 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, 500769726 + ... + 500769751.

It is an arithmetic number, because the mean of its divisors is an integer number (3505388173).

Almost surely, 2^13020013201 is an apocalyptic number.

It is an amenable number.

13020013201 is a deficient number, since it is larger than the sum of its proper divisors (1001539491).

13020013201 is a wasteful number, since it uses less digits than its factorization.

13020013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001539490.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13020013201 its reverse (10231002031), we get a palindrome (23251015232).

The spelling of 13020013201 in words is "thirteen billion, twenty million, thirteen thousand, two hundred one".