12320735 has 8 divisors (see below), whose sum is σ = 16897056. Its totient is φ = 8448480.

The previous prime is 12320731. The next prime is 12320743. The reversal of 12320735 is 53702321.

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

It is not a de Polignac number, because 12320735 - 2² = 12320731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12320735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320731) 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, 175976 + ... + 176045.

It is an arithmetic number, because the mean of its divisors is an integer number (2112132).

Almost surely, 2^12320735 is an apocalyptic number.

12320735 is a deficient number, since it is larger than the sum of its proper divisors (4576321).

12320735 is an equidigital number, since it uses as much as digits as its factorization.

12320735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352033.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 12320735 is about 3510.0904546749. The cubic root of 12320735 is about 230.9646629229.

The spelling of 12320735 in words is "twelve million, three hundred twenty thousand, seven hundred thirty-five".