13705266 has 8 divisors (see below), whose sum is σ = 27410544. Its totient is φ = 4568420.

The previous prime is 13705253. The next prime is 13705267. The reversal of 13705266 is 66250731.

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

13705266 is an admirable number.

It is a super-2 number, since 2×13705266² = 375668632261512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13705267) 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, 1142100 + ... + 1142111.

It is an arithmetic number, because the mean of its divisors is an integer number (3426318).

Almost surely, 2^13705266 is an apocalyptic number.

13705266 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.

13705266 is a wasteful number, since it uses less digits than its factorization.

13705266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284216.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13705266 is about 3702.0623981775. The cubic root of 13705266 is about 239.3109052901.

Adding to 13705266 its reverse (66250731), we get a palindrome (79955997).

The spelling of 13705266 in words is "thirteen million, seven hundred five thousand, two hundred sixty-six".