13173903 has 6 divisors (see below), whose sum is σ = 19028984. Its totient is φ = 8782596.

The previous prime is 13173899. The next prime is 13173907. The reversal of 13173903 is 30937131.

It is an interprime number because it is at equal distance from previous prime (13173899) and next prime (13173907).

It is not a de Polignac number, because 13173903 - 2² = 13173899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13173907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 731875 + ... + 731892.

Almost surely, 2^13173903 is an apocalyptic number.

13173903 is a deficient number, since it is larger than the sum of its proper divisors (5855081).

13173903 is a wasteful number, since it uses less digits than its factorization.

13173903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463773 (or 1463770 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 13173903 is about 3629.5871666072. The cubic root of 13173903 is about 236.1773002142.

The spelling of 13173903 in words is "thirteen million, one hundred seventy-three thousand, nine hundred three".