12038977 has 2 divisors, whose sum is σ = 12038978. Its totient is φ = 12038976.

The previous prime is 12038969. The next prime is 12038981. The reversal of 12038977 is 77983021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 641601 = 3376^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 12038977 - 2³ = 12038969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12036977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6019488 + 6019489.

It is an arithmetic number, because the mean of its divisors is an integer number (6019489).

Almost surely, 2^12038977 is an apocalyptic number.

It is an amenable number.

12038977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12038977 is an equidigital number, since it uses as much as digits as its factorization.

12038977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12038977 is about 3469.7228995988. The cubic root of 12038977 is about 229.1904557710.

The spelling of 12038977 in words is "twelve million, thirty-eight thousand, nine hundred seventy-seven".