12977066 has 4 divisors (see below), whose sum is σ = 19465602. Its totient is φ = 6488532.

The previous prime is 12977059. The next prime is 12977071. The reversal of 12977066 is 66077921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7590025 + 5387041 = 2755^2 + 2321^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244265 + ... + 3244268.

Almost surely, 2^12977066 is an apocalyptic number.

12977066 is a deficient number, since it is larger than the sum of its proper divisors (6488536).

12977066 is an equidigital number, since it uses as much as digits as its factorization.

12977066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488535.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 12977066 is about 3602.3694979832. The cubic root of 12977066 is about 234.9951168444.

The spelling of 12977066 in words is "twelve million, nine hundred seventy-seven thousand, sixty-six".