13321203 has 8 divisors (see below), whose sum is σ = 20299008. Its totient is φ = 7612104.

The previous prime is 13321181. The next prime is 13321211. The reversal of 13321203 is 30212331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13321203 - 2⁵ = 13321171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13321283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317151 + ... + 317192.

It is an arithmetic number, because the mean of its divisors is an integer number (2537376).

Almost surely, 2^13321203 is an apocalyptic number.

13321203 is a deficient number, since it is larger than the sum of its proper divisors (6977805).

13321203 is an equidigital number, since it uses as much as digits as its factorization.

13321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634353.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13321203 is about 3649.8223244427. The cubic root of 13321203 is about 237.0542879785.

Adding to 13321203 its reverse (30212331), we get a palindrome (43533534).

The spelling of 13321203 in words is "thirteen million, three hundred twenty-one thousand, two hundred three".