13426903 has 4 divisors (see below), whose sum is σ = 15345040. Its totient is φ = 11508768.

The previous prime is 13426883. The next prime is 13426921. The reversal of 13426903 is 30962431.

13426903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30962431 = 109 ⋅284059.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13426903 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 (13426403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959058 + ... + 959071.

It is an arithmetic number, because the mean of its divisors is an integer number (3836260).

Almost surely, 2^13426903 is an apocalyptic number.

13426903 is a deficient number, since it is larger than the sum of its proper divisors (1918137).

13426903 is an equidigital number, since it uses as much as digits as its factorization.

13426903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918136.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13426903 is about 3664.2738707689. The cubic root of 13426903 is about 237.6796233025.

The spelling of 13426903 in words is "thirteen million, four hundred twenty-six thousand, nine hundred three".