12765977 has 8 divisors (see below), whose sum is σ = 14620992. Its totient is φ = 10918800.

The previous prime is 12765959. The next prime is 12766001. The reversal of 12765977 is 77956721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12765977 - 2⁸ = 12765721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12765947) 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 in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 5472.

It is an arithmetic number, because the mean of its divisors is an integer number (1827624).

Almost surely, 2^12765977 is an apocalyptic number.

It is an amenable number.

12765977 is a deficient number, since it is larger than the sum of its proper divisors (1855015).

12765977 is an equidigital number, since it uses as much as digits as its factorization.

12765977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919.

The product of its digits is 185220, while the sum is 44.

The square root of 12765977 is about 3572.9507413341. The cubic root of 12765977 is about 233.7139771192.

The spelling of 12765977 in words is "twelve million, seven hundred sixty-five thousand, nine hundred seventy-seven".