13220003 has 2 divisors, whose sum is σ = 13220004. Its totient is φ = 13220002.

The previous prime is 13219979. The next prime is 13220021. The reversal of 13220003 is 30002231.

13220003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13220003 - 2⁸ = 13219747 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610001 + 6610002.

It is an arithmetic number, because the mean of its divisors is an integer number (6610002).

Almost surely, 2^13220003 is an apocalyptic number.

13220003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220003 is an equidigital number, since it uses as much as digits as its factorization.

13220003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 13220003 is about 3635.9322050885. The cubic root of 13220003 is about 236.4524679241.

Adding to 13220003 its reverse (30002231), we get a palindrome (43222234).

The spelling of 13220003 in words is "thirteen million, two hundred twenty thousand, three".