13086724 has 36 divisors (see below), whose sum is σ = 27808704. Its totient is φ = 5362896.

The previous prime is 13086713. The next prime is 13086737. The reversal of 13086724 is 42768031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3057 + ... + 5959.

It is an arithmetic number, because the mean of its divisors is an integer number (772464).

Almost surely, 2^13086724 is an apocalyptic number.

13086724 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 13086724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13904352).

13086724 is an abundant number, since it is smaller than the sum of its proper divisors (14721980).

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

13086724 is a wasteful number, since it uses less digits than its factorization.

13086724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13086724 is about 3617.5577396912. The cubic root of 13086724 is about 235.6551748582.

The spelling of 13086724 in words is "thirteen million, eighty-six thousand, seven hundred twenty-four".