11870147 has 2 divisors, whose sum is σ = 11870148. Its totient is φ = 11870146.

The previous prime is 11870143. The next prime is 11870167. The reversal of 11870147 is 74107811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11870147 - 2² = 11870143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11870141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935073 + 5935074.

It is an arithmetic number, because the mean of its divisors is an integer number (5935074).

Almost surely, 2^11870147 is an apocalyptic number.

11870147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11870147 is an equidigital number, since it uses as much as digits as its factorization.

11870147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 11870147 is about 3445.3079688179. The cubic root of 11870147 is about 228.1140485642.

Adding to 11870147 its reverse (74107811), we get a palindrome (85977958).

The spelling of 11870147 in words is "eleven million, eight hundred seventy thousand, one hundred forty-seven".