13422603 has 4 divisors (see below), whose sum is σ = 17896808. Its totient is φ = 8948400.

The previous prime is 13422599. The next prime is 13422613. The reversal of 13422603 is 30622431.

It is a happy number.

13422603 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.

It is not a de Polignac number, because 13422603 - 2² = 13422599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13422603.

It is not an unprimeable number, because it can be changed into a prime (13422613) 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, 2237098 + ... + 2237103.

It is an arithmetic number, because the mean of its divisors is an integer number (4474202).

Almost surely, 2^13422603 is an apocalyptic number.

13422603 is a deficient number, since it is larger than the sum of its proper divisors (4474205).

13422603 is an equidigital number, since it uses as much as digits as its factorization.

13422603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474204.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13422603 is about 3663.6870772488. The cubic root of 13422603 is about 237.6542480913.

The spelling of 13422603 in words is "thirteen million, four hundred twenty-two thousand, six hundred three".