12109097 has 16 divisors (see below), whose sum is σ = 16259712. Its totient is φ = 8709120.

The previous prime is 12109091. The next prime is 12109103. The reversal of 12109097 is 79090121.

12109097 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12109091) and next prime (12109103).

It is not a de Polignac number, because 12109097 - 2¹⁸ = 11846953 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 5048 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (1016232).

Almost surely, 2^12109097 is an apocalyptic number.

It is an amenable number.

12109097 is a deficient number, since it is larger than the sum of its proper divisors (4150615).

12109097 is a wasteful number, since it uses less digits than its factorization.

12109097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 12109097 is about 3479.8127823203. The cubic root of 12109097 is about 229.6345614526.

The spelling of 12109097 in words is "twelve million, one hundred nine thousand, ninety-seven".