11894567 has 2 divisors, whose sum is σ = 11894568. Its totient is φ = 11894566.

The previous prime is 11894563. The next prime is 11894569. The reversal of 11894567 is 76549811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11894567 - 2² = 11894563 is a prime.

Together with 11894569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11894563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5947283 + 5947284.

It is an arithmetic number, because the mean of its divisors is an integer number (5947284).

Almost surely, 2^11894567 is an apocalyptic number.

11894567 is a deficient number, since it is larger than the sum of its proper divisors (1).

11894567 is an equidigital number, since it uses as much as digits as its factorization.

11894567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 11894567 is about 3448.8500982211. The cubic root of 11894567 is about 228.2703715202.

The spelling of 11894567 in words is "eleven million, eight hundred ninety-four thousand, five hundred sixty-seven".