12007897 has 4 divisors (see below), whose sum is σ = 13099536. Its totient is φ = 10916260.

The previous prime is 12007883. The next prime is 12007907. The reversal of 12007897 is 79870021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12007897 - 2¹⁵ = 11975129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12007837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545803 + ... + 545824.

It is an arithmetic number, because the mean of its divisors is an integer number (3274884).

Almost surely, 2^12007897 is an apocalyptic number.

It is an amenable number.

12007897 is a deficient number, since it is larger than the sum of its proper divisors (1091639).

12007897 is a wasteful number, since it uses less digits than its factorization.

12007897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091638.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 12007897 is about 3465.2412614420. The cubic root of 12007897 is about 228.9930586558.

The spelling of 12007897 in words is "twelve million, seven thousand, eight hundred ninety-seven".