12000977 has 2 divisors, whose sum is σ = 12000978. Its totient is φ = 12000976.

The previous prime is 12000959. The next prime is 12000979. The reversal of 12000977 is 77900021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 1681 = 3464^2 + 41^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000977 is a prime.

Together with 12000979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12000979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000488 + 6000489.

It is an arithmetic number, because the mean of its divisors is an integer number (6000489).

Almost surely, 2^12000977 is an apocalyptic number.

It is an amenable number.

12000977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000977 is an equidigital number, since it uses as much as digits as its factorization.

12000977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 12000977 is about 3464.2426300708. The cubic root of 12000977 is about 228.9490615966.

Adding to 12000977 its reverse (77900021), we get a palindrome (89900998).

The spelling of 12000977 in words is "twelve million, nine hundred seventy-seven", and thus it is an aban number.