12099975 has 12 divisors (see below), whose sum is σ = 20005416. Its totient is φ = 6453280.

The previous prime is 12099959. The next prime is 12099991. The reversal of 12099975 is 57999021.

It is an interprime number because it is at equal distance from previous prime (12099959) and next prime (12099991).

It is not a de Polignac number, because 12099975 - 2⁴ = 12099959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80592 + ... + 80741.

It is an arithmetic number, because the mean of its divisors is an integer number (1667118).

Almost surely, 2^12099975 is an apocalyptic number.

12099975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12099975 is a deficient number, since it is larger than the sum of its proper divisors (7905441).

12099975 is a wasteful number, since it uses less digits than its factorization.

12099975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161346 (or 161341 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 12099975 is about 3478.5018326860. The cubic root of 12099975 is about 229.5768843555.

The spelling of 12099975 in words is "twelve million, ninety-nine thousand, nine hundred seventy-five".