11894537 has 2 divisors, whose sum is σ = 11894538. Its totient is φ = 11894536.

The previous prime is 11894527. The next prime is 11894539. The reversal of 11894537 is 73549811.

11894537 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10916416 + 978121 = 3304^2 + 989^2 .

It is an emirp because it is prime and its reverse (73549811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11894537 - 2²² = 7700233 is a prime.

Together with 11894539, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11894537.

It is not a weakly prime, because it can be changed into another prime (11894539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5947268 + 5947269.

It is an arithmetic number, because the mean of its divisors is an integer number (5947269).

Almost surely, 2^11894537 is an apocalyptic number.

It is an amenable number.

11894537 is a deficient number, since it is larger than the sum of its proper divisors (1).

11894537 is an equidigital number, since it uses as much as digits as its factorization.

11894537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 11894537 is about 3448.8457489427. The cubic root of 11894537 is about 228.2701796086.

The spelling of 11894537 in words is "eleven million, eight hundred ninety-four thousand, five hundred thirty-seven".