13203139 has 2 divisors, whose sum is σ = 13203140. Its totient is φ = 13203138.

The previous prime is 13203103. The next prime is 13203167. The reversal of 13203139 is 93130231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13203139 - 2⁷ = 13203011 is a prime.

It is not a weakly prime, because it can be changed into another prime (13209139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601569 + 6601570.

It is an arithmetic number, because the mean of its divisors is an integer number (6601570).

Almost surely, 2^13203139 is an apocalyptic number.

13203139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203139 is an equidigital number, since it uses as much as digits as its factorization.

13203139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 13203139 is about 3633.6123898952. The cubic root of 13203139 is about 236.3518821885.

The spelling of 13203139 in words is "thirteen million, two hundred three thousand, one hundred thirty-nine".