13003399 has 2 divisors, whose sum is σ = 13003400. Its totient is φ = 13003398.

The previous prime is 13003369. The next prime is 13003433. The reversal of 13003399 is 99330031.

It is a happy number.

13003399 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 13003399 - 2⁹ = 13002887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13003369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501699 + 6501700.

It is an arithmetic number, because the mean of its divisors is an integer number (6501700).

Almost surely, 2^13003399 is an apocalyptic number.

13003399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003399 is an equidigital number, since it uses as much as digits as its factorization.

13003399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 13003399 is about 3606.0226011494. The cubic root of 13003399 is about 235.1539597725.

The spelling of 13003399 in words is "thirteen million, three thousand, three hundred ninety-nine".