13618667 has 2 divisors, whose sum is σ = 13618668. Its totient is φ = 13618666.

The previous prime is 13618613. The next prime is 13618679. The reversal of 13618667 is 76681631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13618667 - 2¹² = 13614571 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13618667.

It is not a weakly prime, because it can be changed into another prime (13618697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6809333 + 6809334.

It is an arithmetic number, because the mean of its divisors is an integer number (6809334).

Almost surely, 2^13618667 is an apocalyptic number.

13618667 is a deficient number, since it is larger than the sum of its proper divisors (1).

13618667 is an equidigital number, since it uses as much as digits as its factorization.

13618667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 13618667 is about 3690.3478155860. The cubic root of 13618667 is about 238.8057980200.

The spelling of 13618667 in words is "thirteen million, six hundred eighteen thousand, six hundred sixty-seven".