13826393 has 4 divisors (see below), whose sum is σ = 15801600. Its totient is φ = 11851188.

The previous prime is 13826387. The next prime is 13826401. The reversal of 13826393 is 39362831.

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.

It is a cyclic number.

It is not a de Polignac number, because 13826393 - 2¹² = 13822297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13826303) 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, 987593 + ... + 987606.

It is an arithmetic number, because the mean of its divisors is an integer number (3950400).

Almost surely, 2^13826393 is an apocalyptic number.

It is an amenable number.

13826393 is a deficient number, since it is larger than the sum of its proper divisors (1975207).

13826393 is an equidigital number, since it uses as much as digits as its factorization.

13826393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975206.

The product of its digits is 23328, while the sum is 35.

The square root of 13826393 is about 3718.3858056958. The cubic root of 13826393 is about 240.0138475806.

The spelling of 13826393 in words is "thirteen million, eight hundred twenty-six thousand, three hundred ninety-three".