12270894 has 16 divisors (see below), whose sum is σ = 24786000. Its totient is φ = 4049600.

The previous prime is 12270871. The next prime is 12270911. The reversal of 12270894 is 49807221.

It is a happy number.

It is a congruent number.

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, 9519 + ... + 10730.

It is an arithmetic number, because the mean of its divisors is an integer number (1549125).

Almost surely, 2^12270894 is an apocalyptic number.

12270894 is an abundant number, since it is smaller than the sum of its proper divisors (12515106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12270894 is a wasteful number, since it uses less digits than its factorization.

12270894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12270894 is about 3502.9835854597. The cubic root of 12270894 is about 230.6528020037.

The spelling of 12270894 in words is "twelve million, two hundred seventy thousand, eight hundred ninety-four".