12277448 has 16 divisors (see below), whose sum is σ = 23086080. Its totient is φ = 6121168.

The previous prime is 12277427. The next prime is 12277483. The reversal of 12277448 is 84477221.

It is a happy number.

It is an unprimeable number.

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, 1061 + ... + 5067.

It is an arithmetic number, because the mean of its divisors is an integer number (1442880).

Almost surely, 2^12277448 is an apocalyptic number.

It is an amenable number.

12277448 is a deficient number, since it is larger than the sum of its proper divisors (10808632).

12277448 is a wasteful number, since it uses less digits than its factorization.

12277448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4392 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 12277448 is about 3503.9189488343. The cubic root of 12277448 is about 230.6938593059.

The spelling of 12277448 in words is "twelve million, two hundred seventy-seven thousand, four hundred forty-eight".