13493855 has 4 divisors (see below), whose sum is σ = 16192632. Its totient is φ = 10795080.

The previous prime is 13493833. The next prime is 13493861. The reversal of 13493855 is 55839431.

It is a happy number.

13493855 is digitally balanced in base 3, 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: 55839431 = 47 ⋅1188073.

It is not a de Polignac number, because 13493855 - 2¹⁶ = 13428319 is a prime.

It is a super-2 number, since 2×13493855² = 364168245522050, 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, 1349381 + ... + 1349390.

It is an arithmetic number, because the mean of its divisors is an integer number (4048158).

Almost surely, 2^13493855 is an apocalyptic number.

13493855 is a deficient number, since it is larger than the sum of its proper divisors (2698777).

13493855 is an equidigital number, since it uses as much as digits as its factorization.

13493855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698776.

The product of its digits is 64800, while the sum is 38.

The square root of 13493855 is about 3673.3982904118. The cubic root of 13493855 is about 238.0740242401.

The spelling of 13493855 in words is "thirteen million, four hundred ninety-three thousand, eight hundred fifty-five".