13180523 has 2 divisors, whose sum is σ = 13180524. Its totient is φ = 13180522.

The previous prime is 13180501. The next prime is 13180571. The reversal of 13180523 is 32508131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13180523 - 2⁶ = 13180459 is a prime.

It is not a weakly prime, because it can be changed into another prime (13180823) 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, 6590261 + 6590262.

It is an arithmetic number, because the mean of its divisors is an integer number (6590262).

Almost surely, 2^13180523 is an apocalyptic number.

13180523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13180523 is an equidigital number, since it uses as much as digits as its factorization.

13180523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13180523 is about 3630.4990015148. The cubic root of 13180523 is about 236.2168539671.

Adding to 13180523 its reverse (32508131), we get a palindrome (45688654).

The spelling of 13180523 in words is "thirteen million, one hundred eighty thousand, five hundred twenty-three".