13993255 has 4 divisors (see below), whose sum is σ = 16791912. Its totient is φ = 11194600.

The previous prime is 13993237. The next prime is 13993267. The reversal of 13993255 is 55239931.

13993255 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 an emirpimes, since its reverse is a distinct semiprime: 55239931 = 6133 ⋅9007.

It is not a de Polignac number, because 13993255 - 2⁷ = 13993127 is a prime.

It is a super-2 number, since 2×13993255² = 391622370990050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399321 + ... + 1399330.

It is an arithmetic number, because the mean of its divisors is an integer number (4197978).

Almost surely, 2^13993255 is an apocalyptic number.

13993255 is a deficient number, since it is larger than the sum of its proper divisors (2798657).

13993255 is an equidigital number, since it uses as much as digits as its factorization.

13993255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798656.

The product of its digits is 36450, while the sum is 37.

The square root of 13993255 is about 3740.7559396464. The cubic root of 13993255 is about 240.9755144628.

The spelling of 13993255 in words is "thirteen million, nine hundred ninety-three thousand, two hundred fifty-five".