13279266 has 144 divisors (see below), whose sum is σ = 39504192. Its totient is φ = 3136320.

The previous prime is 13279249. The next prime is 13279267. The reversal of 13279266 is 66297231.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13279266.

It is not an unprimeable number, because it can be changed into a prime (13279267) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 198165 + ... + 198231.

Almost surely, 2^13279266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13279266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19752096).

13279266 is an abundant number, since it is smaller than the sum of its proper divisors (26224926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13279266 is a wasteful number, since it uses less digits than its factorization.

13279266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 103 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 13279266 is about 3644.0727215576. The cubic root of 13279266 is about 236.8052665199.

The spelling of 13279266 in words is "thirteen million, two hundred seventy-nine thousand, two hundred sixty-six".