12660697 has 8 divisors (see below), whose sum is σ = 14860736. Its totient is φ = 10558512.

The previous prime is 12660671. The next prime is 12660721. The reversal of 12660697 is 79606621.

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

It is a cyclic number.

It is not a de Polignac number, because 12660697 - 2⁷ = 12660569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12660647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24183 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (1857592).

Almost surely, 2^12660697 is an apocalyptic number.

It is an amenable number.

12660697 is a deficient number, since it is larger than the sum of its proper divisors (2200039).

12660697 is an equidigital number, since it uses as much as digits as its factorization.

12660697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48927.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 12660697 is about 3558.1873194086. The cubic root of 12660697 is about 233.0697292945.

The spelling of 12660697 in words is "twelve million, six hundred sixty thousand, six hundred ninety-seven".