13396503 has 4 divisors (see below), whose sum is σ = 17862008. Its totient is φ = 8931000.

The previous prime is 13396499. The next prime is 13396517. The reversal of 13396503 is 30569331.

13396503 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13396503 - 2² = 13396499 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 (13396543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2232748 + ... + 2232753.

It is an arithmetic number, because the mean of its divisors is an integer number (4465502).

Almost surely, 2^13396503 is an apocalyptic number.

13396503 is a deficient number, since it is larger than the sum of its proper divisors (4465505).

13396503 is an equidigital number, since it uses as much as digits as its factorization.

13396503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465504.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 13396503 is about 3660.1233585769. The cubic root of 13396503 is about 237.5001100646.

The spelling of 13396503 in words is "thirteen million, three hundred ninety-six thousand, five hundred three".