13946724 has 72 divisors (see below), whose sum is σ = 39443040. Its totient is φ = 4118400.

The previous prime is 13946711. The next prime is 13946747. The reversal of 13946724 is 42764931.

It is a super-2 number, since 2×13946724² = 389022220664352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15807 + ... + 16665.

It is an arithmetic number, because the mean of its divisors is an integer number (547820).

Almost surely, 2^13946724 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 13946724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19721520).

13946724 is an abundant number, since it is smaller than the sum of its proper divisors (25496316).

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

13946724 is a wasteful number, since it uses less digits than its factorization.

13946724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 916 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 13946724 is about 3734.5312958924. The cubic root of 13946724 is about 240.7081169882.

It can be divided in two parts, 1394 and 6724, that added together give a palindrome (8118).

The spelling of 13946724 in words is "thirteen million, nine hundred forty-six thousand, seven hundred twenty-four".