12401266 has 8 divisors (see below), whose sum is σ = 18683820. Its totient is φ = 6173328.

The previous prime is 12401261. The next prime is 12401267. The reversal of 12401266 is 66210421.

It can be written as a sum of positive squares in 2 ways, for example, as 10106041 + 2295225 = 3179^2 + 1515^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12401261) 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, 13081 + ... + 13996.

Almost surely, 2^12401266 is an apocalyptic number.

12401266 is a deficient number, since it is larger than the sum of its proper divisors (6282554).

12401266 is a wasteful number, since it uses less digits than its factorization.

12401266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27308.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12401266 is about 3521.5431276643. The cubic root of 12401266 is about 231.4667822537.

Adding to 12401266 its reverse (66210421), we get a palindrome (78611687).

The spelling of 12401266 in words is "twelve million, four hundred one thousand, two hundred sixty-six".