11894047 has 4 divisors (see below), whose sum is σ = 12975336. Its totient is φ = 10812760.

The previous prime is 11894027. The next prime is 11894081. The reversal of 11894047 is 74049811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11894047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540628 + ... + 540649.

It is an arithmetic number, because the mean of its divisors is an integer number (3243834).

Almost surely, 2^11894047 is an apocalyptic number.

11894047 is a deficient number, since it is larger than the sum of its proper divisors (1081289).

11894047 is a wasteful number, since it uses less digits than its factorization.

11894047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081288.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 11894047 is about 3448.7747099513. The cubic root of 11894047 is about 228.2670450064.

The spelling of 11894047 in words is "eleven million, eight hundred ninety-four thousand, forty-seven".