12692266 has 16 divisors (see below), whose sum is σ = 20244960. Its totient is φ = 5950800.

The previous prime is 12692249. The next prime is 12692293. The reversal of 12692266 is 66229621.

12692266 is nontrivially palindromic in base 15.

It is a super-2 number, since 2×12692266² = 322187232429512, which contains 22 as substring.

It is a zygodrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 2185 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (1265310).

Almost surely, 2^12692266 is an apocalyptic number.

12692266 is a deficient number, since it is larger than the sum of its proper divisors (7552694).

12692266 is a wasteful number, since it uses less digits than its factorization.

12692266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429.

The product of its digits is 15552, while the sum is 34.

The square root of 12692266 is about 3562.6206646232. The cubic root of 12692266 is about 233.2632855494.

The spelling of 12692266 in words is "twelve million, six hundred ninety-two thousand, two hundred sixty-six".