13266870 has 16 divisors (see below), whose sum is σ = 31840560. Its totient is φ = 3537824.

The previous prime is 13266839. The next prime is 13266889. The reversal of 13266870 is 7866231.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221085 + ... + 221144.

It is an arithmetic number, because the mean of its divisors is an integer number (1990035).

Almost surely, 2^13266870 is an apocalyptic number.

13266870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13266870 is an abundant number, since it is smaller than the sum of its proper divisors (18573690).

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

13266870 is a wasteful number, since it uses less digits than its factorization.

13266870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442239.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 13266870 is about 3642.3714802310. The cubic root of 13266870 is about 236.7315588327.

The spelling of 13266870 in words is "thirteen million, two hundred sixty-six thousand, eight hundred seventy".