12097911 has 16 divisors (see below), whose sum is σ = 18885888. Its totient is φ = 6744000.

The previous prime is 12097909. The next prime is 12097919. The reversal of 12097911 is 11979021.

It is not a de Polignac number, because 12097911 - 2¹ = 12097909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12097919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6165 + ... + 7886.

It is an arithmetic number, because the mean of its divisors is an integer number (1180368).

Almost surely, 2^12097911 is an apocalyptic number.

12097911 is a deficient number, since it is larger than the sum of its proper divisors (6787977).

12097911 is a wasteful number, since it uses less digits than its factorization.

12097911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14102.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 12097911 is about 3478.2051405862. The cubic root of 12097911 is about 229.5638299585.

The spelling of 12097911 in words is "twelve million, ninety-seven thousand, nine hundred eleven".