12136847 has 6 divisors (see below), whose sum is σ = 12688032. Its totient is φ = 11608652.

The previous prime is 12136837. The next prime is 12136853. The reversal of 12136847 is 74863121.

It is not a de Polignac number, because 12136847 - 2⁶ = 12136783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10943 + ... + 12000.

It is an arithmetic number, because the mean of its divisors is an integer number (2114672).

Almost surely, 2^12136847 is an apocalyptic number.

12136847 is a deficient number, since it is larger than the sum of its proper divisors (551185).

12136847 is an equidigital number, since it uses as much as digits as its factorization.

12136847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22989 (or 22966 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 12136847 is about 3483.7977840282. The cubic root of 12136847 is about 229.8098428270.

Adding to 12136847 its reverse (74863121), we get a palindrome (86999968).

The spelling of 12136847 in words is "twelve million, one hundred thirty-six thousand, eight hundred forty-seven".