12371886 has 32 divisors (see below), whose sum is σ = 29112480. Its totient is φ = 3881088.

The previous prime is 12371881. The next prime is 12371921. The reversal of 12371886 is 68817321.

It is a self number, because there is not a number n which added to its sum of digits gives 12371886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5821 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (909765).

Almost surely, 2^12371886 is an apocalyptic number.

12371886 is an abundant number, since it is smaller than the sum of its proper divisors (16740594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12371886 is a wasteful number, since it uses less digits than its factorization.

12371886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13505 (or 13499 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12371886 is about 3517.3691873331. The cubic root of 12371886 is about 231.2838473953.

The spelling of 12371886 in words is "twelve million, three hundred seventy-one thousand, eight hundred eighty-six".