11842947 has 12 divisors (see below), whose sum is σ = 18007080. Its totient is φ = 7479648.

The previous prime is 11842937. The next prime is 11842993. The reversal of 11842947 is 74924811.

11842947 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11842947 - 2¹⁰ = 11841923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11842927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34458 + ... + 34799.

It is an arithmetic number, because the mean of its divisors is an integer number (1500590).

Almost surely, 2^11842947 is an apocalyptic number.

11842947 is a deficient number, since it is larger than the sum of its proper divisors (6164133).

11842947 is a wasteful number, since it uses less digits than its factorization.

11842947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69282 (or 69279 counting only the distinct ones).

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

The square root of 11842947 is about 3441.3583074129. The cubic root of 11842947 is about 227.9396770239.

The spelling of 11842947 in words is "eleven million, eight hundred forty-two thousand, nine hundred forty-seven".