12747976 has 8 divisors (see below), whose sum is σ = 23902470. Its totient is φ = 6373984.

The previous prime is 12747967. The next prime is 12747983. The reversal of 12747976 is 67974721.

It can be written as a sum of positive squares in only one way, i.e., 10407076 + 2340900 = 3226^2 + 1530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796741 + ... + 796756.

Almost surely, 2^12747976 is an apocalyptic number.

It is an amenable number.

12747976 is a deficient number, since it is larger than the sum of its proper divisors (11154494).

12747976 is a wasteful number, since it uses less digits than its factorization.

12747976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593503 (or 1593499 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 12747976 is about 3570.4307863338. The cubic root of 12747976 is about 233.6040739422.

The spelling of 12747976 in words is "twelve million, seven hundred forty-seven thousand, nine hundred seventy-six".