13245903 has 32 divisors (see below), whose sum is σ = 21665280. Its totient is φ = 7931520.

The previous prime is 13245901. The next prime is 13245917. The reversal of 13245903 is 30954231.

It is not a de Polignac number, because 13245903 - 2¹ = 13245901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30375 + ... + 30807.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 2^13245903 is an apocalyptic number.

13245903 is a deficient number, since it is larger than the sum of its proper divisors (8419377).

13245903 is a wasteful number, since it uses less digits than its factorization.

13245903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13245903 is about 3639.4921349001. The cubic root of 13245903 is about 236.6067826623.

It can be divided in two parts, 1324 and 5903, that added together give a palindrome (7227).

The spelling of 13245903 in words is "thirteen million, two hundred forty-five thousand, nine hundred three".