12123697 has 16 divisors (see below), whose sum is σ = 13105152. Its totient is φ = 11194560.

The previous prime is 12123673. The next prime is 12123701. The reversal of 12123697 is 79632121.

It is a cyclic number.

It is not a de Polignac number, because 12123697 - 2⁷ = 12123569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123607) 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, 77143 + ... + 77299.

It is an arithmetic number, because the mean of its divisors is an integer number (819072).

Almost surely, 2^12123697 is an apocalyptic number.

It is an amenable number.

12123697 is a deficient number, since it is larger than the sum of its proper divisors (981455).

12123697 is a wasteful number, since it uses less digits than its factorization.

12123697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 4536, while the sum is 31.

The square root of 12123697 is about 3481.9099643730. The cubic root of 12123697 is about 229.7268149063.

The spelling of 12123697 in words is "twelve million, one hundred twenty-three thousand, six hundred ninety-seven".