13804457 has 4 divisors (see below), whose sum is σ = 13853520. Its totient is φ = 13755396.

The previous prime is 13804451. The next prime is 13804463. The reversal of 13804457 is 75440831.

13804457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 75440831 = 137 ⋅550663.

It is an interprime number because it is at equal distance from previous prime (13804451) and next prime (13804463).

It is a cyclic number.

It is not a de Polignac number, because 13804457 - 2⁸ = 13804201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13804451) 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, 24107 + ... + 24672.

It is an arithmetic number, because the mean of its divisors is an integer number (3463380).

Almost surely, 2^13804457 is an apocalyptic number.

It is an amenable number.

13804457 is a deficient number, since it is larger than the sum of its proper divisors (49063).

13804457 is an equidigital number, since it uses as much as digits as its factorization.

13804457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49062.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 13804457 is about 3715.4349678066. The cubic root of 13804457 is about 239.8868505986.

The spelling of 13804457 in words is "thirteen million, eight hundred four thousand, four hundred fifty-seven".