12977803 has 2 divisors, whose sum is σ = 12977804. Its totient is φ = 12977802.

The previous prime is 12977759. The next prime is 12977807. The reversal of 12977803 is 30877921.

It is a strong prime.

It is an emirp because it is prime and its reverse (30877921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12977803 - 2⁹ = 12977291 is a prime.

It is not a weakly prime, because it can be changed into another prime (12977807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488901 + 6488902.

It is an arithmetic number, because the mean of its divisors is an integer number (6488902).

Almost surely, 2^12977803 is an apocalyptic number.

12977803 is a deficient number, since it is larger than the sum of its proper divisors (1).

12977803 is an equidigital number, since it uses as much as digits as its factorization.

12977803 is an evil number, because the sum of its binary digits is even.

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

The square root of 12977803 is about 3602.4717903129. The cubic root of 12977803 is about 234.9995654134. Note that the first 3 decimals are identical.

The spelling of 12977803 in words is "twelve million, nine hundred seventy-seven thousand, eight hundred three".