11716257 has 16 divisors (see below), whose sum is σ = 17901440. Its totient is φ = 6676992.

The previous prime is 11716231. The next prime is 11716267. The reversal of 11716257 is 75261711.

It is not a de Polignac number, because 11716257 - 2⁷ = 11716129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11716267) 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 in 15 ways as a sum of consecutive naturals, for example, 13719 + ... + 14547.

It is an arithmetic number, because the mean of its divisors is an integer number (1118840).

Almost surely, 2^11716257 is an apocalyptic number.

It is an amenable number.

11716257 is a deficient number, since it is larger than the sum of its proper divisors (6185183).

11716257 is an equidigital number, since it uses as much as digits as its factorization.

11716257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its digits is 2940, while the sum is 30.

The square root of 11716257 is about 3422.9018390833. The cubic root of 11716257 is about 227.1239660048.

Adding to 11716257 its reverse (75261711), we get a palindrome (86977968).

The spelling of 11716257 in words is "eleven million, seven hundred sixteen thousand, two hundred fifty-seven".