13872093 has 4 divisors (see below), whose sum is σ = 18496128. Its totient is φ = 9248060.

The previous prime is 13872073. The next prime is 13872107. The reversal of 13872093 is 39027831.

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: 39027831 = 3 ⋅13009277.

It is a cyclic number.

It is not a de Polignac number, because 13872093 - 2⁶ = 13872029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13872073) 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, 2312013 + ... + 2312018.

It is an arithmetic number, because the mean of its divisors is an integer number (4624032).

Almost surely, 2^13872093 is an apocalyptic number.

It is an amenable number.

13872093 is a deficient number, since it is larger than the sum of its proper divisors (4624035).

13872093 is an equidigital number, since it uses as much as digits as its factorization.

13872093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624034.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13872093 is about 3724.5258758666. The cubic root of 13872093 is about 240.2779938455.

The spelling of 13872093 in words is "thirteen million, eight hundred seventy-two thousand, ninety-three".