13694243 has 2 divisors, whose sum is σ = 13694244. Its totient is φ = 13694242.

The previous prime is 13694227. The next prime is 13694273. The reversal of 13694243 is 34249631.

13694243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13694243 - 2⁴ = 13694227 is a prime.

It is not a weakly prime, because it can be changed into another prime (13694203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847121 + 6847122.

It is an arithmetic number, because the mean of its divisors is an integer number (6847122).

Almost surely, 2^13694243 is an apocalyptic number.

13694243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13694243 is an equidigital number, since it uses as much as digits as its factorization.

13694243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 13694243 is about 3700.5733339579. The cubic root of 13694243 is about 239.2467296746.

The spelling of 13694243 in words is "thirteen million, six hundred ninety-four thousand, two hundred forty-three".