12100847 has 12 divisors (see below), whose sum is σ = 13451088. Its totient is φ = 10876800.

The previous prime is 12100843. The next prime is 12100849. The reversal of 12100847 is 74800121.

It is not a de Polignac number, because 12100847 - 2² = 12100843 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100843) 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, 11222 + ... + 12252.

It is an arithmetic number, because the mean of its divisors is an integer number (1120924).

Almost surely, 2^12100847 is an apocalyptic number.

12100847 is a deficient number, since it is larger than the sum of its proper divisors (1350241).

12100847 is a wasteful number, since it uses less digits than its factorization.

12100847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12100847 is about 3478.6271717446. The cubic root of 12100847 is about 229.5823991392.

Adding to 12100847 its reverse (74800121), we get a palindrome (86900968).

The spelling of 12100847 in words is "twelve million, one hundred thousand, eight hundred forty-seven".