12122895 has 16 divisors (see below), whose sum is σ = 19671552. Its totient is φ = 6373920.

The previous prime is 12122879. The next prime is 12122933. The reversal of 12122895 is 59822121.

It is not a de Polignac number, because 12122895 - 2⁴ = 12122879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4627 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (1229472).

Almost surely, 2^12122895 is an apocalyptic number.

12122895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12122895 is a deficient number, since it is larger than the sum of its proper divisors (7548657).

12122895 is a wasteful number, since it uses less digits than its factorization.

12122895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462.

The product of its digits is 2880, while the sum is 30.

The square root of 12122895 is about 3481.7947957914. The cubic root of 12122895 is about 229.7217492081.

The spelling of 12122895 in words is "twelve million, one hundred twenty-two thousand, eight hundred ninety-five".