12109098 has 8 divisors (see below), whose sum is σ = 24218208. Its totient is φ = 4036364.

The previous prime is 12109091. The next prime is 12109103. The reversal of 12109098 is 89090121.

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

12109098 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12109091) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1009086 + ... + 1009097.

It is an arithmetic number, because the mean of its divisors is an integer number (3027276).

Almost surely, 2^12109098 is an apocalyptic number.

12109098 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.

12109098 is a wasteful number, since it uses less digits than its factorization.

12109098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018188.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 12109098 is about 3479.8129260062. The cubic root of 12109098 is about 229.6345677738.

The spelling of 12109098 in words is "twelve million, one hundred nine thousand, ninety-eight".