12273916 has 6 divisors (see below), whose sum is σ = 21479360. Its totient is φ = 6136956.

The previous prime is 12273907. The next prime is 12273917. The reversal of 12273916 is 61937221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534236 + ... + 1534243.

Almost surely, 2^12273916 is an apocalyptic number.

It is an amenable number.

12273916 is a deficient number, since it is larger than the sum of its proper divisors (9205444).

12273916 is a wasteful number, since it uses less digits than its factorization.

12273916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068483 (or 3068481 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 12273916 is about 3503.4149054886. The cubic root of 12273916 is about 230.6717350322.

The spelling of 12273916 in words is "twelve million, two hundred seventy-three thousand, nine hundred sixteen".