12949226 has 4 divisors (see below), whose sum is σ = 19423842. Its totient is φ = 6474612.

The previous prime is 12949217. The next prime is 12949229. The reversal of 12949226 is 62294921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9150625 + 3798601 = 3025^2 + 1949^2 .

It is not an unprimeable number, because it can be changed into a prime (12949229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3237305 + ... + 3237308.

Almost surely, 2^12949226 is an apocalyptic number.

12949226 is a deficient number, since it is larger than the sum of its proper divisors (6474616).

12949226 is an equidigital number, since it uses as much as digits as its factorization.

12949226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474615.

The product of its digits is 15552, while the sum is 35.

The square root of 12949226 is about 3598.5032999846. The cubic root of 12949226 is about 234.8269497086.

The spelling of 12949226 in words is "twelve million, nine hundred forty-nine thousand, two hundred twenty-six".