13283891 has 2 divisors, whose sum is σ = 13283892. Its totient is φ = 13283890.

The previous prime is 13283843. The next prime is 13283917. The reversal of 13283891 is 19838231.

13283891 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13283891 is a prime.

It is not a weakly prime, because it can be changed into another prime (13283191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6641945 + 6641946.

It is an arithmetic number, because the mean of its divisors is an integer number (6641946).

Almost surely, 2^13283891 is an apocalyptic number.

13283891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13283891 is an equidigital number, since it uses as much as digits as its factorization.

13283891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 13283891 is about 3644.7072584777. The cubic root of 13283891 is about 236.8327554195.

The spelling of 13283891 in words is "thirteen million, two hundred eighty-three thousand, eight hundred ninety-one".