12051797 has 4 divisors (see below), whose sum is σ = 12061056. Its totient is φ = 12042540.

The previous prime is 12051779. The next prime is 12051811. The reversal of 12051797 is 79715021.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79715021 = 53 ⋅1504057.

It is a cyclic number.

It is not a de Polignac number, because 12051797 - 2⁸ = 12051541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051727) 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, 2279 + ... + 5412.

It is an arithmetic number, because the mean of its divisors is an integer number (3015264).

Almost surely, 2^12051797 is an apocalyptic number.

It is an amenable number.

12051797 is a deficient number, since it is larger than the sum of its proper divisors (9259).

12051797 is an equidigital number, since it uses as much as digits as its factorization.

12051797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 12051797 is about 3471.5698178202. The cubic root of 12051797 is about 229.2717799376.

The spelling of 12051797 in words is "twelve million, fifty-one thousand, seven hundred ninety-seven".