13724744 has 32 divisors (see below), whose sum is σ = 29298240. Its totient is φ = 5966400.

The previous prime is 13724731. The next prime is 13724747. The reversal of 13724744 is 44742731.

It is a self number, because there is not a number n which added to its sum of digits gives 13724744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13724747) 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, 1367 + ... + 5414.

It is an arithmetic number, because the mean of its divisors is an integer number (915570).

Almost surely, 2^13724744 is an apocalyptic number.

It is an amenable number.

13724744 is an abundant number, since it is smaller than the sum of its proper divisors (15573496).

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

13724744 is a wasteful number, since it uses less digits than its factorization.

13724744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821 (or 6817 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 13724744 is about 3704.6921599507. The cubic root of 13724744 is about 239.4242216201.

It can be divided in two parts, 1372 and 4744, that added together give a palindrome (6116).

The spelling of 13724744 in words is "thirteen million, seven hundred twenty-four thousand, seven hundred forty-four".