13286673 has 20 divisors (see below), whose sum is σ = 21017700. Its totient is φ = 8335872.

The previous prime is 13286659. The next prime is 13286683. The reversal of 13286673 is 37668231.

It is a happy number.

13286673 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5602689 + 7683984 = 2367^2 + 2772^2 .

It is not a de Polignac number, because 13286673 - 2⁸ = 13286417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13286683) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3448 + ... + 6201.

It is an arithmetic number, because the mean of its divisors is an integer number (1050885).

Almost surely, 2^13286673 is an apocalyptic number.

It is an amenable number.

13286673 is a deficient number, since it is larger than the sum of its proper divisors (7731027).

13286673 is an equidigital number, since it uses as much as digits as its factorization.

13286673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678 (or 9669 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 13286673 is about 3645.0888878051. The cubic root of 13286673 is about 236.8492872910.

It can be divided in two parts, 1328 and 6673, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 13286673 in words is "thirteen million, two hundred eighty-six thousand, six hundred seventy-three".