12140977 has 2 divisors, whose sum is σ = 12140978. Its totient is φ = 12140976.

The previous prime is 12140971. The next prime is 12141001. The reversal of 12140977 is 77904121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11861136 + 279841 = 3444^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 12140977 - 2²³ = 3752369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12140971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070488 + 6070489.

It is an arithmetic number, because the mean of its divisors is an integer number (6070489).

Almost surely, 2^12140977 is an apocalyptic number.

It is an amenable number.

12140977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140977 is an equidigital number, since it uses as much as digits as its factorization.

12140977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12140977 is about 3484.3904775441. The cubic root of 12140977 is about 229.8359069005.

The spelling of 12140977 in words is "twelve million, one hundred forty thousand, nine hundred seventy-seven".