12907226 has 8 divisors (see below), whose sum is σ = 19377684. Its totient is φ = 6448000.

The previous prime is 12907217. The next prime is 12907229. The reversal of 12907226 is 62270921.

It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 664225 = 3499^2 + 815^2 .

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 (12907229) 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 in 3 ways as a sum of consecutive naturals, for example, 1226 + ... + 5226.

Almost surely, 2^12907226 is an apocalyptic number.

12907226 is a deficient number, since it is larger than the sum of its proper divisors (6470458).

12907226 is a wasteful number, since it uses less digits than its factorization.

12907226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12907226 is about 3592.6628007649. The cubic root of 12907226 is about 234.5727925825.

The spelling of 12907226 in words is "twelve million, nine hundred seven thousand, two hundred twenty-six".