13855193 has 4 divisors (see below), whose sum is σ = 15114768. Its totient is φ = 12595620.

The previous prime is 13855183. The next prime is 13855201. The reversal of 13855193 is 39155831.

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 13855193 - 2⁶ = 13855129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13855183) 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, 629771 + ... + 629792.

It is an arithmetic number, because the mean of its divisors is an integer number (3778692).

Almost surely, 2^13855193 is an apocalyptic number.

It is an amenable number.

13855193 is a deficient number, since it is larger than the sum of its proper divisors (1259575).

13855193 is a wasteful number, since it uses less digits than its factorization.

13855193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259574.

The product of its digits is 16200, while the sum is 35.

The square root of 13855193 is about 3722.2564393120. The cubic root of 13855193 is about 240.1803794426.

The spelling of 13855193 in words is "thirteen million, eight hundred fifty-five thousand, one hundred ninety-three".