13738724 has 6 divisors (see below), whose sum is σ = 24042774. Its totient is φ = 6869360.

The previous prime is 13738717. The next prime is 13738849. The reversal of 13738724 is 42783731.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 6340324 = 2720^2 + 2518^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717337 + ... + 1717344.

It is an arithmetic number, because the mean of its divisors is an integer number (4007129).

Almost surely, 2^13738724 is an apocalyptic number.

It is an amenable number.

13738724 is a deficient number, since it is larger than the sum of its proper divisors (10304050).

13738724 is a wasteful number, since it uses less digits than its factorization.

13738724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434685 (or 3434683 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 13738724 is about 3706.5784761691. The cubic root of 13738724 is about 239.5054863974.

The spelling of 13738724 in words is "thirteen million, seven hundred thirty-eight thousand, seven hundred twenty-four".