12727940 has 24 divisors (see below), whose sum is σ = 26944512. Its totient is φ = 5050080.

The previous prime is 12727909. The next prime is 12727987. The reversal of 12727940 is 4972721.

It is a junction number, because it is equal to n+sod(n) for n = 12727897 and 12727906.

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, 35 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (1122688).

Almost surely, 2^12727940 is an apocalyptic number.

12727940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12727940 is an abundant number, since it is smaller than the sum of its proper divisors (14216572).

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

12727940 is a wasteful number, since it uses less digits than its factorization.

12727940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 12727940 is about 3567.6238590973. The cubic root of 12727940 is about 233.4816245568.

The spelling of 12727940 in words is "twelve million, seven hundred twenty-seven thousand, nine hundred forty".