13021402104 has 64 divisors (see below), whose sum is σ = 36245126400. Its totient is φ = 4331519712.

The previous prime is 13021402087. The next prime is 13021402133. The reversal of 13021402104 is 40120412031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43299 + ... + 167085.

It is an arithmetic number, because the mean of its divisors is an integer number (566330100).

Almost surely, 2^13021402104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13021402104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18122563200).

13021402104 is an abundant number, since it is smaller than the sum of its proper divisors (23223724296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021402104 is a wasteful number, since it uses less digits than its factorization.

13021402104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124289 (or 124279 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 13021402104 its reverse (40120412031), we get a palindrome (53141814135).

The spelling of 13021402104 in words is "thirteen billion, twenty-one million, four hundred two thousand, one hundred four".