13858266 has 8 divisors (see below), whose sum is σ = 27716544. Its totient is φ = 4619420.

The previous prime is 13858253. The next prime is 13858267. The reversal of 13858266 is 66285831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

13858266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13858267) 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, 1154850 + ... + 1154861.

It is an arithmetic number, because the mean of its divisors is an integer number (3464568).

Almost surely, 2^13858266 is an apocalyptic number.

13858266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13858266 is a wasteful number, since it uses less digits than its factorization.

13858266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309716.

The product of its digits is 69120, while the sum is 39.

The square root of 13858266 is about 3722.6692036763. The cubic root of 13858266 is about 240.1981349933.

The spelling of 13858266 in words is "thirteen million, eight hundred fifty-eight thousand, two hundred sixty-six".