12793477 has 2 divisors, whose sum is σ = 12793478. Its totient is φ = 12793476.

The previous prime is 12793463. The next prime is 12793499. The reversal of 12793477 is 77439721.

12793477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10074276 + 2719201 = 3174^2 + 1649^2 .

It is an emirp because it is prime and its reverse (77439721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12793477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12793457) 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, 6396738 + 6396739.

It is an arithmetic number, because the mean of its divisors is an integer number (6396739).

Almost surely, 2^12793477 is an apocalyptic number.

It is an amenable number.

12793477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793477 is an equidigital number, since it uses as much as digits as its factorization.

12793477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 40.

The square root of 12793477 is about 3576.7970308643. The cubic root of 12793477 is about 233.8816761224.

The spelling of 12793477 in words is "twelve million, seven hundred ninety-three thousand, four hundred seventy-seven".