11972065 has 8 divisors (see below), whose sum is σ = 16418880. Its totient is φ = 8209392.

The previous prime is 11972021. The next prime is 11972083. The reversal of 11972065 is 56027911.

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 11972065 - 2¹¹ = 11970017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170995 + ... + 171064.

It is an arithmetic number, because the mean of its divisors is an integer number (2052360).

Almost surely, 2^11972065 is an apocalyptic number.

It is an amenable number.

11972065 is a deficient number, since it is larger than the sum of its proper divisors (4446815).

11972065 is an equidigital number, since it uses as much as digits as its factorization.

11972065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342071.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 11972065 is about 3460.0671958793. The cubic root of 11972065 is about 228.7650571872.

Adding to 11972065 its reverse (56027911), we get a palindrome (67999976).

The spelling of 11972065 in words is "eleven million, nine hundred seventy-two thousand, sixty-five".