13917223 has 2 divisors, whose sum is σ = 13917224. Its totient is φ = 13917222.

The previous prime is 13917199. The next prime is 13917247. The reversal of 13917223 is 32271931.

13917223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (13917199) and next prime (13917247).

It is a cyclic number.

It is not a de Polignac number, because 13917223 - 2⁹ = 13916711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13917191 and 13917200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13917263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958611 + 6958612.

It is an arithmetic number, because the mean of its divisors is an integer number (6958612).

Almost surely, 2^13917223 is an apocalyptic number.

13917223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13917223 is an equidigital number, since it uses as much as digits as its factorization.

13917223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 13917223 is about 3730.5794456090. The cubic root of 13917223 is about 240.5382767932.

The spelling of 13917223 in words is "thirteen million, nine hundred seventeen thousand, two hundred twenty-three".