13968266 has 8 divisors (see below), whose sum is σ = 22564164. Its totient is φ = 6446880.

The previous prime is 13968239. The next prime is 13968281. The reversal of 13968266 is 66286931.

It can be written as a sum of positive squares in 2 ways, for example, as 11703241 + 2265025 = 3421^2 + 1505^2 .

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

It is a super-2 number, since 2×13968266² = 390224910093512, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 268595 + ... + 268646.

Almost surely, 2^13968266 is an apocalyptic number.

13968266 is a deficient number, since it is larger than the sum of its proper divisors (8595898).

13968266 is a wasteful number, since it uses less digits than its factorization.

13968266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537256.

The product of its digits is 93312, while the sum is 41.

The square root of 13968266 is about 3737.4143468446. The cubic root of 13968266 is about 240.8319851885.

The spelling of 13968266 in words is "thirteen million, nine hundred sixty-eight thousand, two hundred sixty-six".