12101887 has 8 divisors (see below), whose sum is σ = 14432256. Its totient is φ = 9921912.

The previous prime is 12101863. The next prime is 12101891. The reversal of 12101887 is 78810121.

12101887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12101887 - 2¹¹ = 12099839 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 (12101857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37423 + ... + 37744.

It is an arithmetic number, because the mean of its divisors is an integer number (1804032).

Almost surely, 2^12101887 is an apocalyptic number.

12101887 is a deficient number, since it is larger than the sum of its proper divisors (2330369).

12101887 is an equidigital number, since it uses as much as digits as its factorization.

12101887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75197.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 12101887 is about 3478.7766527905. The cubic root of 12101887 is about 229.5889760578.

The spelling of 12101887 in words is "twelve million, one hundred one thousand, eight hundred eighty-seven".