12277984 has 24 divisors (see below), whose sum is σ = 24954048. Its totient is φ = 5940480.

The previous prime is 12277981. The next prime is 12278003. The reversal of 12277984 is 48977221.

12277984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12277984² = 301497782208512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5197 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (1039752).

Almost surely, 2^12277984 is an apocalyptic number.

It is an amenable number.

12277984 is an abundant number, since it is smaller than the sum of its proper divisors (12676064).

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

12277984 is a wasteful number, since it uses less digits than its factorization.

12277984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418 (or 12410 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 12277984 is about 3503.9954337870. The cubic root of 12277984 is about 230.6972164126.

The spelling of 12277984 in words is "twelve million, two hundred seventy-seven thousand, nine hundred eighty-four".