13397266 has 4 divisors (see below), whose sum is σ = 20095902. Its totient is φ = 6698632.

The previous prime is 13397249. The next prime is 13397269. The reversal of 13397266 is 66279331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 184041 = 3635^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (13397269) 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, 3349315 + ... + 3349318.

Almost surely, 2^13397266 is an apocalyptic number.

13397266 is a deficient number, since it is larger than the sum of its proper divisors (6698636).

13397266 is an equidigital number, since it uses as much as digits as its factorization.

13397266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698635.

The product of its digits is 40824, while the sum is 37.

The square root of 13397266 is about 3660.2275885524. The cubic root of 13397266 is about 237.5046189314.

The spelling of 13397266 in words is "thirteen million, three hundred ninety-seven thousand, two hundred sixty-six".