12072785 has 4 divisors (see below), whose sum is σ = 14487348. Its totient is φ = 9658224.

The previous prime is 12072773. The next prime is 12072791. The reversal of 12072785 is 58727021.

12072785 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58727021 = 53 ⋅1108057.

It can be written as a sum of positive squares in 2 ways, for example, as 2660161 + 9412624 = 1631^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 12072785 - 2⁶ = 12072721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207274 + ... + 1207283.

It is an arithmetic number, because the mean of its divisors is an integer number (3621837).

Almost surely, 2^12072785 is an apocalyptic number.

It is an amenable number.

12072785 is a deficient number, since it is larger than the sum of its proper divisors (2414563).

12072785 is an equidigital number, since it uses as much as digits as its factorization.

12072785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414562.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 12072785 is about 3474.5913428776. The cubic root of 12072785 is about 229.4047937253.

The spelling of 12072785 in words is "twelve million, seventy-two thousand, seven hundred eighty-five".