13104724 has 6 divisors (see below), whose sum is σ = 22933274. Its totient is φ = 6552360.

The previous prime is 13104719. The next prime is 13104761. The reversal of 13104724 is 42740131.

It can be written as a sum of positive squares in only one way, i.e., 13104400 + 324 = 3620^2 + 18^2 .

It is a super-2 number, since 2×13104724² = 343467582232352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13104695 and 13104704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638087 + ... + 1638094.

Almost surely, 2^13104724 is an apocalyptic number.

It is an amenable number.

13104724 is a deficient number, since it is larger than the sum of its proper divisors (9828550).

13104724 is a wasteful number, since it uses less digits than its factorization.

13104724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276185 (or 3276183 counting only the distinct ones).

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

The square root of 13104724 is about 3620.0447511046. The cubic root of 13104724 is about 235.7631685230.

Adding to 13104724 its reverse (42740131), we get a palindrome (55844855).

The spelling of 13104724 in words is "thirteen million, one hundred four thousand, seven hundred twenty-four".