12003697 has 4 divisors (see below), whose sum is σ = 12138660. Its totient is φ = 11868736.

The previous prime is 12003689. The next prime is 12003701. The reversal of 12003697 is 79630021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3500641 + 8503056 = 1871^2 + 2916^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003697 - 2³ = 12003689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12003647) 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 3 ways as a sum of consecutive naturals, for example, 67348 + ... + 67525.

It is an arithmetic number, because the mean of its divisors is an integer number (3034665).

Almost surely, 2^12003697 is an apocalyptic number.

It is an amenable number.

12003697 is a deficient number, since it is larger than the sum of its proper divisors (134963).

12003697 is an equidigital number, since it uses as much as digits as its factorization.

12003697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134962.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 12003697 is about 3464.6351900308. The cubic root of 12003697 is about 228.9663572553.

The spelling of 12003697 in words is "twelve million, three thousand, six hundred ninety-seven".