12995222 has 8 divisors (see below), whose sum is σ = 19823400. Its totient is φ = 6387424.

The previous prime is 12995197. The next prime is 12995233. The reversal of 12995222 is 22259921.

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

It is a congruent number.

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, 54947 + ... + 55182.

It is an arithmetic number, because the mean of its divisors is an integer number (2477925).

Almost surely, 2^12995222 is an apocalyptic number.

12995222 is a deficient number, since it is larger than the sum of its proper divisors (6828178).

12995222 is a wasteful number, since it uses less digits than its factorization.

12995222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110190.

The product of its digits is 6480, while the sum is 32.

The square root of 12995222 is about 3604.8886251866. Note that the first 3 decimals coincide. The cubic root of 12995222 is about 235.1046583777.

The spelling of 12995222 in words is "twelve million, nine hundred ninety-five thousand, two hundred twenty-two".