13120711 has 2 divisors, whose sum is σ = 13120712. Its totient is φ = 13120710.

The previous prime is 13120703. The next prime is 13120717. The reversal of 13120711 is 11702131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13120711 - 2³ = 13120703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120717) 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, 6560355 + 6560356.

It is an arithmetic number, because the mean of its divisors is an integer number (6560356).

Almost surely, 2^13120711 is an apocalyptic number.

13120711 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120711 is an equidigital number, since it uses as much as digits as its factorization.

13120711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 13120711 is about 3622.2521999441. The cubic root of 13120711 is about 235.8590020077.

Adding to 13120711 its reverse (11702131), we get a palindrome (24822842).

It can be divided in two parts, 13120 and 711, that added together give a palindrome (13831).

The spelling of 13120711 in words is "thirteen million, one hundred twenty thousand, seven hundred eleven".