12477793 has 2 divisors, whose sum is σ = 12477794. Its totient is φ = 12477792.

The previous prime is 12477791. The next prime is 12477811. The reversal of 12477793 is 39777421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 595984 = 3447^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 12477793 - 2¹ = 12477791 is a prime.

Together with 12477791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12477791) 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, 6238896 + 6238897.

It is an arithmetic number, because the mean of its divisors is an integer number (6238897).

Almost surely, 2^12477793 is an apocalyptic number.

It is an amenable number.

12477793 is a deficient number, since it is larger than the sum of its proper divisors (1).

12477793 is an equidigital number, since it uses as much as digits as its factorization.

12477793 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 12477793 is about 3532.3919657932. The cubic root of 12477793 is about 231.9419258625.

The spelling of 12477793 in words is "twelve million, four hundred seventy-seven thousand, seven hundred ninety-three".