11894247 has 12 divisors (see below), whose sum is σ = 18085080. Its totient is φ = 7512048.

The previous prime is 11894231. The next prime is 11894251. The reversal of 11894247 is 74249811.

It is not a de Polignac number, because 11894247 - 2⁴ = 11894231 is a prime.

It is a super-2 number, since 2×11894247² = 282946223394018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34608 + ... + 34949.

It is an arithmetic number, because the mean of its divisors is an integer number (1507090).

Almost surely, 2^11894247 is an apocalyptic number.

11894247 is a deficient number, since it is larger than the sum of its proper divisors (6190833).

11894247 is a wasteful number, since it uses less digits than its factorization.

11894247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69582 (or 69579 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 11894247 is about 3448.8037056348. The cubic root of 11894247 is about 228.2683244463.

The spelling of 11894247 in words is "eleven million, eight hundred ninety-four thousand, two hundred forty-seven".