11885147 has 2 divisors, whose sum is σ = 11885148. Its totient is φ = 11885146.

The previous prime is 11885143. The next prime is 11885171. The reversal of 11885147 is 74158811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11885147 - 2² = 11885143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11885143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5942573 + 5942574.

It is an arithmetic number, because the mean of its divisors is an integer number (5942574).

Almost surely, 2^11885147 is an apocalyptic number.

11885147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11885147 is an equidigital number, since it uses as much as digits as its factorization.

11885147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 35.

The square root of 11885147 is about 3447.4841551485. The cubic root of 11885147 is about 228.2100954070.

The spelling of 11885147 in words is "eleven million, eight hundred eighty-five thousand, one hundred forty-seven".