13104242 has 4 divisors (see below), whose sum is σ = 19656366. Its totient is φ = 6552120.

The previous prime is 13104209. The next prime is 13104251. The reversal of 13104242 is 24240131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24240131 = 67 ⋅361793.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 1125721 = 3461^2 + 1061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13104242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276059 + ... + 3276062.

Almost surely, 2^13104242 is an apocalyptic number.

13104242 is a deficient number, since it is larger than the sum of its proper divisors (6552124).

13104242 is an equidigital number, since it uses as much as digits as its factorization.

13104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552123.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13104242 is about 3619.9781767298. The cubic root of 13104242 is about 235.7602779816.

Adding to 13104242 its reverse (24240131), we get a palindrome (37344373).

The spelling of 13104242 in words is "thirteen million, one hundred four thousand, two hundred forty-two".