13403003124 has 72 divisors (see below), whose sum is σ = 36406419840. Its totient is φ = 3826604544.

The previous prime is 13403003087. The next prime is 13403003177. The reversal of 13403003124 is 42130030431.

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 13403003124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 866692 + ... + 882020.

It is an arithmetic number, because the mean of its divisors is an integer number (505644720).

Almost surely, 2^13403003124 is an apocalyptic number.

13403003124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13403003124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18203209920).

13403003124 is an abundant number, since it is smaller than the sum of its proper divisors (23003416716).

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

13403003124 is a wasteful number, since it uses less digits than its factorization.

13403003124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16837 (or 16828 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13403003124 its reverse (42130030431), we get a palindrome (55533033555).

The spelling of 13403003124 in words is "thirteen billion, four hundred three million, three thousand, one hundred twenty-four".