13623017 has 2 divisors, whose sum is σ = 13623018. Its totient is φ = 13623016.

The previous prime is 13622977. The next prime is 13623023. The reversal of 13623017 is 71032631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13039321 + 583696 = 3611^2 + 764^2 .

It is an emirp because it is prime and its reverse (71032631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13623017 - 2¹⁸ = 13360873 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13622983 and 13623001.

It is not a weakly prime, because it can be changed into another prime (13623037) 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, 6811508 + 6811509.

It is an arithmetic number, because the mean of its divisors is an integer number (6811509).

Almost surely, 2^13623017 is an apocalyptic number.

It is an amenable number.

13623017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13623017 is an equidigital number, since it uses as much as digits as its factorization.

13623017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13623017 is about 3690.9371438701. The cubic root of 13623017 is about 238.8312213265.

Adding to 13623017 its reverse (71032631), we get a palindrome (84655648).

The spelling of 13623017 in words is "thirteen million, six hundred twenty-three thousand, seventeen".