13124723700 has 144 divisors (see below), whose sum is σ = 41702330880. Its totient is φ = 3160560000.

The previous prime is 13124723699. The next prime is 13124723723. The reversal of 13124723700 is 732742131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 485131 + ... + 511469.

It is an arithmetic number, because the mean of its divisors is an integer number (289599520).

Almost surely, 2^13124723700 is an apocalyptic number.

13124723700 is a gapful number since it is divisible by the number (10) 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 13124723700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20851165440).

13124723700 is an abundant number, since it is smaller than the sum of its proper divisors (28577607180).

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

13124723700 is a wasteful number, since it uses less digits than its factorization.

13124723700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26518 (or 26511 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 13124723700 in words is "thirteen billion, one hundred twenty-four million, seven hundred twenty-three thousand, seven hundred".