11868147 has 32 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 7560000.

The previous prime is 11868139. The next prime is 11868151. The reversal of 11868147 is 74186811.

It is not a de Polignac number, because 11868147 - 2³ = 11868139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11868187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78522 + ... + 78672.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^11868147 is an apocalyptic number.

11868147 is a deficient number, since it is larger than the sum of its proper divisors (6517773).

11868147 is a wasteful number, since it uses less digits than its factorization.

11868147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 266 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 11868147 is about 3445.0177067760. The cubic root of 11868147 is about 228.1012362060.

It can be divided in two parts, 118 and 68147, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 11868147 in words is "eleven million, eight hundred sixty-eight thousand, one hundred forty-seven".