13219667 has 2 divisors, whose sum is σ = 13219668. Its totient is φ = 13219666.

The previous prime is 13219637. The next prime is 13219691. The reversal of 13219667 is 76691231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13219667 - 2¹⁴ = 13203283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13219637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6609833 + 6609834.

It is an arithmetic number, because the mean of its divisors is an integer number (6609834).

Almost surely, 2^13219667 is an apocalyptic number.

13219667 is a deficient number, since it is larger than the sum of its proper divisors (1).

13219667 is an equidigital number, since it uses as much as digits as its factorization.

13219667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 13219667 is about 3635.8859993130. The cubic root of 13219667 is about 236.4504646794.

The spelling of 13219667 in words is "thirteen million, two hundred nineteen thousand, six hundred sixty-seven".