13673563 has 2 divisors, whose sum is σ = 13673564. Its totient is φ = 13673562.

The previous prime is 13673537. The next prime is 13673567. The reversal of 13673563 is 36537631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13673563 - 2⁵ = 13673531 is a prime.

It is a super-2 number, since 2×13673563² = 373932650229938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13673567) 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, 6836781 + 6836782.

It is an arithmetic number, because the mean of its divisors is an integer number (6836782).

Almost surely, 2^13673563 is an apocalyptic number.

13673563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13673563 is an equidigital number, since it uses as much as digits as its factorization.

13673563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 34.

The square root of 13673563 is about 3697.7781166533. The cubic root of 13673563 is about 239.1262382883.

The spelling of 13673563 in words is "thirteen million, six hundred seventy-three thousand, five hundred sixty-three".