12072965 has 4 divisors (see below), whose sum is σ = 14487564. Its totient is φ = 9658368.

The previous prime is 12072913. The next prime is 12072979. The reversal of 12072965 is 56927021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3996001 + 8076964 = 1999^2 + 2842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12072965 is a prime.

It is a Duffinian number.

It is a congruent 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, 1207292 + ... + 1207301.

It is an arithmetic number, because the mean of its divisors is an integer number (3621891).

Almost surely, 2^12072965 is an apocalyptic number.

It is an amenable number.

12072965 is a deficient number, since it is larger than the sum of its proper divisors (2414599).

12072965 is an equidigital number, since it uses as much as digits as its factorization.

12072965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414598.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12072965 is about 3474.6172451077. The cubic root of 12072965 is about 229.4059338284.

Adding to 12072965 its reverse (56927021), we get a palindrome (68999986).

The spelling of 12072965 in words is "twelve million, seventy-two thousand, nine hundred sixty-five".