13203901 has 2 divisors, whose sum is σ = 13203902. Its totient is φ = 13203900.

The previous prime is 13203887. The next prime is 13203913. The reversal of 13203901 is 10930231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 1988100 = 3349^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203901 - 2²¹ = 11106749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13203991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601950 + 6601951.

It is an arithmetic number, because the mean of its divisors is an integer number (6601951).

Almost surely, 2^13203901 is an apocalyptic number.

It is an amenable number.

13203901 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203901 is an equidigital number, since it uses as much as digits as its factorization.

13203901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 13203901 is about 3633.7172427144. The cubic root of 13203901 is about 236.3564290029.

The spelling of 13203901 in words is "thirteen million, two hundred three thousand, nine hundred one".