13226285 has 4 divisors (see below), whose sum is σ = 15871548. Its totient is φ = 10581024.

The previous prime is 13226273. The next prime is 13226287. The reversal of 13226285 is 58262231.

13226285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58262231 = 163 ⋅357437.

It can be written as a sum of positive squares in 2 ways, for example, as 3948169 + 9278116 = 1987^2 + 3046^2 .

It is a cyclic number.

It is not a de Polignac number, because 13226285 - 2⁸ = 13226029 is a prime.

It is a super-2 number, since 2×13226285² = 349869229802450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322624 + ... + 1322633.

It is an arithmetic number, because the mean of its divisors is an integer number (3967887).

Almost surely, 2^13226285 is an apocalyptic number.

It is an amenable number.

13226285 is a deficient number, since it is larger than the sum of its proper divisors (2645263).

13226285 is an equidigital number, since it uses as much as digits as its factorization.

13226285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645262.

The product of its digits is 5760, while the sum is 29.

The square root of 13226285 is about 3636.7959799802. The cubic root of 13226285 is about 236.4899151971.

The spelling of 13226285 in words is "thirteen million, two hundred twenty-six thousand, two hundred eighty-five".