13104457 has 4 divisors (see below), whose sum is σ = 13674240. Its totient is φ = 12534676.

The previous prime is 13104451. The next prime is 13104521. The reversal of 13104457 is 75440131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75440131 = 13 ⋅5803087.

It is a cyclic number.

It is not a de Polignac number, because 13104457 - 2¹⁵ = 13071689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13104451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284857 + ... + 284902.

It is an arithmetic number, because the mean of its divisors is an integer number (3418560).

Almost surely, 2^13104457 is an apocalyptic number.

It is an amenable number.

13104457 is a deficient number, since it is larger than the sum of its proper divisors (569783).

13104457 is an equidigital number, since it uses as much as digits as its factorization.

13104457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569782.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 13104457 is about 3620.0078729196. The cubic root of 13104457 is about 235.7615673397.

Adding to 13104457 its reverse (75440131), we get a palindrome (88544588).

The spelling of 13104457 in words is "thirteen million, one hundred four thousand, four hundred fifty-seven".