11951713 has 2 divisors, whose sum is σ = 11951714. Its totient is φ = 11951712.

The previous prime is 11951711. The next prime is 11951717. The reversal of 11951713 is 31715911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7491169 + 4460544 = 2737^2 + 2112^2 .

It is a cyclic number.

It is not a de Polignac number, because 11951713 - 2¹ = 11951711 is a prime.

Together with 11951711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11951711) 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, 5975856 + 5975857.

It is an arithmetic number, because the mean of its divisors is an integer number (5975857).

Almost surely, 2^11951713 is an apocalyptic number.

It is an amenable number.

11951713 is a deficient number, since it is larger than the sum of its proper divisors (1).

11951713 is an equidigital number, since it uses as much as digits as its factorization.

11951713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 945, while the sum is 28.

The square root of 11951713 is about 3457.1249615830. The cubic root of 11951713 is about 228.6353533816.

The spelling of 11951713 in words is "eleven million, nine hundred fifty-one thousand, seven hundred thirteen".