13497903 has 6 divisors (see below), whose sum is σ = 19496984. Its totient is φ = 8998596.

The previous prime is 13497899. The next prime is 13497917. The reversal of 13497903 is 30979431.

It is not a de Polignac number, because 13497903 - 2² = 13497899 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 (13497403) 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, 749875 + ... + 749892.

Almost surely, 2^13497903 is an apocalyptic number.

13497903 is a deficient number, since it is larger than the sum of its proper divisors (5999081).

13497903 is a wasteful number, since it uses less digits than its factorization.

13497903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499773 (or 1499770 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 13497903 is about 3673.9492375372. The cubic root of 13497903 is about 238.0978283420.

It can be divided in two parts, 13497 and 903, that added together give a square (14400 = 120²).

The spelling of 13497903 in words is "thirteen million, four hundred ninety-seven thousand, nine hundred three".