13933394 has 4 divisors (see below), whose sum is σ = 20900094. Its totient is φ = 6966696.

The previous prime is 13933391. The next prime is 13933397. The reversal of 13933394 is 49333931.

13933394 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 is an interprime number because it is at equal distance from previous prime (13933391) and next prime (13933397).

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 1857769 = 3475^2 + 1363^2 .

It is not an unprimeable number, because it can be changed into a prime (13933391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483347 + ... + 3483350.

Almost surely, 2^13933394 is an apocalyptic number.

13933394 is a deficient number, since it is larger than the sum of its proper divisors (6966700).

13933394 is an equidigital number, since it uses as much as digits as its factorization.

13933394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966699.

The product of its digits is 26244, while the sum is 35.

The square root of 13933394 is about 3732.7461740654. The cubic root of 13933394 is about 240.6314045408.

It can be divided in two parts, 139 and 33394, that added together give a palindrome (33533).

The spelling of 13933394 in words is "thirteen million, nine hundred thirty-three thousand, three hundred ninety-four".