12466939 has 4 divisors (see below), whose sum is σ = 12512224. Its totient is φ = 12421656.

The previous prime is 12466931. The next prime is 12466969. The reversal of 12466939 is 93966421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93966421 = 37 ⋅2539633.

It is a cyclic number.

It is not a de Polignac number, because 12466939 - 2³ = 12466931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12466931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22227 + ... + 22780.

It is an arithmetic number, because the mean of its divisors is an integer number (3128056).

Almost surely, 2^12466939 is an apocalyptic number.

12466939 is a deficient number, since it is larger than the sum of its proper divisors (45285).

12466939 is an equidigital number, since it uses as much as digits as its factorization.

12466939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45284.

The product of its digits is 69984, while the sum is 40.

The square root of 12466939 is about 3530.8552788241. The cubic root of 12466939 is about 231.8746536032.

The spelling of 12466939 in words is "twelve million, four hundred sixty-six thousand, nine hundred thirty-nine".