13120011403 has 16 divisors (see below), whose sum is σ = 13562899200. Its totient is φ = 12686716000.

The previous prime is 13120011391. The next prime is 13120011407. The reversal of 13120011403 is 30411002131.

It is a cyclic number.

It is not a de Polignac number, because 13120011403 - 2¹⁷ = 13119880331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120011407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758748 + ... + 775846.

It is an arithmetic number, because the mean of its divisors is an integer number (847681200).

Almost surely, 2^13120011403 is an apocalyptic number.

13120011403 is a deficient number, since it is larger than the sum of its proper divisors (442887797).

13120011403 is a wasteful number, since it uses less digits than its factorization.

13120011403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17378.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13120011403 its reverse (30411002131), we get a palindrome (43531013534).

The spelling of 13120011403 in words is "thirteen billion, one hundred twenty million, eleven thousand, four hundred three".