13806433 has 2 divisors, whose sum is σ = 13806434. Its totient is φ = 13806432.

The previous prime is 13806409. The next prime is 13806451. The reversal of 13806433 is 33460831.

13806433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8456464 + 5349969 = 2908^2 + 2313^2 .

It is an emirp because it is prime and its reverse (33460831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13806433 - 2²¹ = 11709281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13806473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903216 + 6903217.

It is an arithmetic number, because the mean of its divisors is an integer number (6903217).

Almost surely, 2^13806433 is an apocalyptic number.

It is an amenable number.

13806433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13806433 is an equidigital number, since it uses as much as digits as its factorization.

13806433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 13806433 is about 3715.7008760125. The cubic root of 13806433 is about 239.8982960277.

The spelling of 13806433 in words is "thirteen million, eight hundred six thousand, four hundred thirty-three".