13012115403 has 16 divisors (see below), whose sum is σ = 19872758016. Its totient is φ = 7418704800.

The previous prime is 13012115377. The next prime is 13012115419. The reversal of 13012115403 is 30451121031.

It is not a de Polignac number, because 13012115403 - 2⁵ = 13012115371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13012115403.

It is not an unprimeable number, because it can be changed into a prime (13012115483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690048 + ... + 708653.

It is an arithmetic number, because the mean of its divisors is an integer number (1242047376).

Almost surely, 2^13012115403 is an apocalyptic number.

13012115403 is a deficient number, since it is larger than the sum of its proper divisors (6860642613).

13012115403 is a wasteful number, since it uses less digits than its factorization.

13012115403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399154.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13012115403 its reverse (30451121031), we get a palindrome (43463236434).

The spelling of 13012115403 in words is "thirteen billion, twelve million, one hundred fifteen thousand, four hundred three".