13388833 has 2 divisors, whose sum is σ = 13388834. Its totient is φ = 13388832.

The previous prime is 13388831. The next prime is 13388839. The reversal of 13388833 is 33888331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12061729 + 1327104 = 3473^2 + 1152^2 .

It is a cyclic number.

It is not a de Polignac number, because 13388833 - 2¹ = 13388831 is a prime.

Together with 13388831, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13388792 and 13388801.

It is not a weakly prime, because it can be changed into another prime (13388831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6694416 + 6694417.

It is an arithmetic number, because the mean of its divisors is an integer number (6694417).

Almost surely, 2^13388833 is an apocalyptic number.

It is an amenable number.

13388833 is a deficient number, since it is larger than the sum of its proper divisors (1).

13388833 is an equidigital number, since it uses as much as digits as its factorization.

13388833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 13388833 is about 3659.0754296680. The cubic root of 13388833 is about 237.4547755071.

The spelling of 13388833 in words is "thirteen million, three hundred eighty-eight thousand, eight hundred thirty-three".