13223051 has 2 divisors, whose sum is σ = 13223052. Its totient is φ = 13223050.

The previous prime is 13223039. The next prime is 13223057. The reversal of 13223051 is 15032231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13223051 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13223057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611525 + 6611526.

It is an arithmetic number, because the mean of its divisors is an integer number (6611526).

Almost surely, 2^13223051 is an apocalyptic number.

13223051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223051 is an equidigital number, since it uses as much as digits as its factorization.

13223051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13223051 is about 3636.3513306610. The cubic root of 13223051 is about 236.4706386648.

Adding to 13223051 its reverse (15032231), we get a palindrome (28255282).

The spelling of 13223051 in words is "thirteen million, two hundred twenty-three thousand, fifty-one".