12135846 has 8 divisors (see below), whose sum is σ = 24271704. Its totient is φ = 4045280.

The previous prime is 12135821. The next prime is 12135853. The reversal of 12135846 is 64853121.

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

12135846 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1011315 + ... + 1011326.

It is an arithmetic number, because the mean of its divisors is an integer number (3033963).

Almost surely, 2^12135846 is an apocalyptic number.

12135846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12135846 is a wasteful number, since it uses less digits than its factorization.

12135846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022646.

The product of its digits is 5760, while the sum is 30.

The square root of 12135846 is about 3483.6541160109. The cubic root of 12135846 is about 229.8035247122.

Adding to 12135846 its reverse (64853121), we get a palindrome (76988967).

The spelling of 12135846 in words is "twelve million, one hundred thirty-five thousand, eight hundred forty-six".