13849393 has 4 divisors (see below), whose sum is σ = 13972068. Its totient is φ = 13726720.

The previous prime is 13849391. The next prime is 13849399. The reversal of 13849393 is 39394831.

13849393 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5276209 + 8573184 = 2297^2 + 2928^2 .

It is a cyclic number.

It is not a de Polignac number, because 13849393 - 2¹ = 13849391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13849391) 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, 61168 + ... + 61393.

It is an arithmetic number, because the mean of its divisors is an integer number (3493017).

Almost surely, 2^13849393 is an apocalyptic number.

It is an amenable number.

13849393 is a deficient number, since it is larger than the sum of its proper divisors (122675).

13849393 is a wasteful number, since it uses less digits than its factorization.

13849393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122674.

The product of its digits is 69984, while the sum is 40.

The square root of 13849393 is about 3721.4772604438. The cubic root of 13849393 is about 240.1468603466.

The spelling of 13849393 in words is "thirteen million, eight hundred forty-nine thousand, three hundred ninety-three".