13724104 has 8 divisors (see below), whose sum is σ = 25732710. Its totient is φ = 6862048.

The previous prime is 13724093. The next prime is 13724107. The reversal of 13724104 is 40142731.

It can be written as a sum of positive squares in only one way, i.e., 10227204 + 3496900 = 3198^2 + 1870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13724107) by changing a digit.

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, 857749 + ... + 857764.

Almost surely, 2^13724104 is an apocalyptic number.

It is an amenable number.

13724104 is a deficient number, since it is larger than the sum of its proper divisors (12008606).

13724104 is a wasteful number, since it uses less digits than its factorization.

13724104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715519 (or 1715515 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13724104 is about 3704.6057819962. The cubic root of 13724104 is about 239.4205000234.

Adding to 13724104 its reverse (40142731), we get a palindrome (53866835).

It can be divided in two parts, 1372 and 4104, that added together give a square (5476 = 74²).

The spelling of 13724104 in words is "thirteen million, seven hundred twenty-four thousand, one hundred four".