13426503 has 16 divisors (see below), whose sum is σ = 19286016. Its totient is φ = 8284320.

The previous prime is 13426493. The next prime is 13426513. The reversal of 13426503 is 30562431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13426493) and next prime (13426513).

It is not a de Polignac number, because 13426503 - 2⁴ = 13426487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13426513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (1205376).

Almost surely, 2^13426503 is an apocalyptic number.

13426503 is a deficient number, since it is larger than the sum of its proper divisors (5859513).

13426503 is a wasteful number, since it uses less digits than its factorization.

13426503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13426503 is about 3664.2192892893. The cubic root of 13426503 is about 237.6772630463.

Adding to 13426503 its reverse (30562431), we get a palindrome (43988934).

The spelling of 13426503 in words is "thirteen million, four hundred twenty-six thousand, five hundred three".