11964571 has 2 divisors, whose sum is σ = 11964572. Its totient is φ = 11964570.

The previous prime is 11964569. The next prime is 11964587. The reversal of 11964571 is 17546911.

11964571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (17546911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11964571 - 2¹ = 11964569 is a prime.

Together with 11964569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11964521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5982285 + 5982286.

It is an arithmetic number, because the mean of its divisors is an integer number (5982286).

Almost surely, 2^11964571 is an apocalyptic number.

11964571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11964571 is an equidigital number, since it uses as much as digits as its factorization.

11964571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 34.

The square root of 11964571 is about 3458.9840994142. The cubic root of 11964571 is about 228.7173148478.

It can be divided in two parts, 119645 and 71, that added together give a square (119716 = 346²).

The spelling of 11964571 in words is "eleven million, nine hundred sixty-four thousand, five hundred seventy-one".