13122266 has 16 divisors (see below), whose sum is σ = 21041856. Its totient is φ = 6115776.

The previous prime is 13122253. The next prime is 13122289. The reversal of 13122266 is 66222131.

13122266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (1315116).

Almost surely, 2^13122266 is an apocalyptic number.

13122266 is a deficient number, since it is larger than the sum of its proper divisors (7919590).

13122266 is a wasteful number, since it uses less digits than its factorization.

13122266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733.

The product of its digits is 864, while the sum is 23.

The square root of 13122266 is about 3622.4668390477. The cubic root of 13122266 is about 235.8683192431.

Adding to 13122266 its reverse (66222131), we get a palindrome (79344397).

The spelling of 13122266 in words is "thirteen million, one hundred twenty-two thousand, two hundred sixty-six".