13402223 has 2 divisors, whose sum is σ = 13402224. Its totient is φ = 13402222.

The previous prime is 13402189. The next prime is 13402229. The reversal of 13402223 is 32220431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13402223 - 2⁶ = 13402159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13402229) 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, 6701111 + 6701112.

It is an arithmetic number, because the mean of its divisors is an integer number (6701112).

Almost surely, 2^13402223 is an apocalyptic number.

13402223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402223 is an equidigital number, since it uses as much as digits as its factorization.

13402223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13402223 is about 3660.9046696138. The cubic root of 13402223 is about 237.5339076242.

Adding to 13402223 its reverse (32220431), we get a palindrome (45622654).

The spelling of 13402223 in words is "thirteen million, four hundred two thousand, two hundred twenty-three".