11719471 has 2 divisors, whose sum is σ = 11719472. Its totient is φ = 11719470.

The previous prime is 11719469. The next prime is 11719501. The reversal of 11719471 is 17491711.

It is a weak prime.

It is an emirp because it is prime and its reverse (17491711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11719471 - 2¹ = 11719469 is a prime.

It is a super-3 number, since 3×11719471³ (a number of 22 digits) contains 333 as substring.

Together with 11719469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11710471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5859735 + 5859736.

It is an arithmetic number, because the mean of its divisors is an integer number (5859736).

Almost surely, 2^11719471 is an apocalyptic number.

11719471 is a deficient number, since it is larger than the sum of its proper divisors (1).

11719471 is an equidigital number, since it uses as much as digits as its factorization.

11719471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 31.

The square root of 11719471 is about 3423.3712915779. The cubic root of 11719471 is about 227.1447322981.

The spelling of 11719471 in words is "eleven million, seven hundred nineteen thousand, four hundred seventy-one".