13180477 has 2 divisors, whose sum is σ = 13180478. Its totient is φ = 13180476.

The previous prime is 13180463. The next prime is 13180481. The reversal of 13180477 is 77408131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13003236 + 177241 = 3606^2 + 421^2 .

It is an emirp because it is prime and its reverse (77408131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13180477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13183477) 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, 6590238 + 6590239.

It is an arithmetic number, because the mean of its divisors is an integer number (6590239).

Almost surely, 2^13180477 is an apocalyptic number.

It is an amenable number.

13180477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13180477 is an equidigital number, since it uses as much as digits as its factorization.

13180477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 13180477 is about 3630.4926662920. The cubic root of 13180477 is about 236.2165791679.

It can be divided in two parts, 131 and 80477, that added together give a palindrome (80608).

The spelling of 13180477 in words is "thirteen million, one hundred eighty thousand, four hundred seventy-seven".