12072115 has 16 divisors (see below), whose sum is σ = 15964416. Its totient is φ = 8690400.

The previous prime is 12072037. The next prime is 12072119. The reversal of 12072115 is 51127021.

12072115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12072115 - 2¹⁵ = 12039347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12072092 and 12072101.

It is not an unprimeable number, because it can be changed into a prime (12072119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4600 + ... + 6730.

It is an arithmetic number, because the mean of its divisors is an integer number (997776).

Almost surely, 2^12072115 is an apocalyptic number.

12072115 is a deficient number, since it is larger than the sum of its proper divisors (3892301).

12072115 is a wasteful number, since it uses less digits than its factorization.

12072115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 12072115 is about 3474.4949273240. The cubic root of 12072115 is about 229.4005499088.

Adding to 12072115 its reverse (51127021), we get a palindrome (63199136).

The spelling of 12072115 in words is "twelve million, seventy-two thousand, one hundred fifteen".