13103724 has 24 divisors (see below), whose sum is σ = 30643200. Its totient is φ = 4358224.

The previous prime is 13103707. The next prime is 13103729. The reversal of 13103724 is 42730131.

It is a self number, because there is not a number n which added to its sum of digits gives 13103724.

It is not an unprimeable number, because it can be changed into a prime (13103729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6277 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (1276800).

Almost surely, 2^13103724 is an apocalyptic number.

It is an amenable number.

13103724 is an abundant number, since it is smaller than the sum of its proper divisors (17539476).

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

13103724 is a wasteful number, since it uses less digits than its factorization.

13103724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13103724 is about 3619.9066286301. The cubic root of 13103724 is about 235.7571714702.

Adding to 13103724 its reverse (42730131), we get a palindrome (55833855).

The spelling of 13103724 in words is "thirteen million, one hundred three thousand, seven hundred twenty-four".