13223767 has 2 divisors, whose sum is σ = 13223768. Its totient is φ = 13223766.

The previous prime is 13223761. The next prime is 13223783. The reversal of 13223767 is 76732231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13223767 - 2³ = 13223759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611883 + 6611884.

It is an arithmetic number, because the mean of its divisors is an integer number (6611884).

Almost surely, 2^13223767 is an apocalyptic number.

13223767 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223767 is an equidigital number, since it uses as much as digits as its factorization.

13223767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 13223767 is about 3636.4497796615. The cubic root of 13223767 is about 236.4749067146.

Adding to 13223767 its reverse (76732231), we get a palindrome (89955998).

The spelling of 13223767 in words is "thirteen million, two hundred twenty-three thousand, seven hundred sixty-seven".