13285633 has 2 divisors, whose sum is σ = 13285634. Its totient is φ = 13285632.

The previous prime is 13285621. The next prime is 13285663. The reversal of 13285633 is 33658231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10163344 + 3122289 = 3188^2 + 1767^2 .

It is a cyclic number.

It is not a de Polignac number, because 13285633 - 2²¹ = 11188481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13285595 and 13285604.

It is not a weakly prime, because it can be changed into another prime (13285603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642816 + 6642817.

It is an arithmetic number, because the mean of its divisors is an integer number (6642817).

Almost surely, 2^13285633 is an apocalyptic number.

It is an amenable number.

13285633 is a deficient number, since it is larger than the sum of its proper divisors (1).

13285633 is an equidigital number, since it uses as much as digits as its factorization.

13285633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 13285633 is about 3644.9462273126. The cubic root of 13285633 is about 236.8431074222.

The spelling of 13285633 in words is "thirteen million, two hundred eighty-five thousand, six hundred thirty-three".