12320769 has 8 divisors (see below), whose sum is σ = 16625952. Its totient is φ = 8114720.

The previous prime is 12320753. The next prime is 12320773. The reversal of 12320769 is 96702321.

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 12320769 - 2⁴ = 12320753 is a prime.

It is a super-2 number, since 2×12320769² = 303602697502722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12320369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24492 + ... + 24989.

It is an arithmetic number, because the mean of its divisors is an integer number (2078244).

It is a Proth number, since it is equal to 47 ⋅ 2¹⁸ + 1 and 47 < 2¹⁸.

Almost surely, 2^12320769 is an apocalyptic number.

It is an amenable number.

12320769 is a deficient number, since it is larger than the sum of its proper divisors (4305183).

12320769 is an equidigital number, since it uses as much as digits as its factorization.

12320769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49567.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 12320769 is about 3510.0952978516. The cubic root of 12320769 is about 230.9648753775.

The spelling of 12320769 in words is "twelve million, three hundred twenty thousand, seven hundred sixty-nine".