13631124 has 48 divisors (see below), whose sum is σ = 34856640. Its totient is φ = 4120320.

The previous prime is 13631117. The next prime is 13631143. The reversal of 13631124 is 42113631.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13631124.

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, 8464 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (726180).

Almost surely, 2^13631124 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 13631124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428320).

13631124 is an abundant number, since it is smaller than the sum of its proper divisors (21225516).

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

13631124 is a wasteful number, since it uses less digits than its factorization.

13631124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1558 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 13631124 is about 3692.0352110997. The cubic root of 13631124 is about 238.8785877496.

Adding to 13631124 its reverse (42113631), we get a palindrome (55744755).

The spelling of 13631124 in words is "thirteen million, six hundred thirty-one thousand, one hundred twenty-four".