11968615 has 4 divisors (see below), whose sum is σ = 14362344. Its totient is φ = 9574888.

The previous prime is 11968603. The next prime is 11968637. The reversal of 11968615 is 51686911.

11968615 is digitally balanced in base 2, because in such base 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: 51686911 = 23 ⋅2247257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11968615 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, 1196857 + ... + 1196866.

It is an arithmetic number, because the mean of its divisors is an integer number (3590586).

Almost surely, 2^11968615 is an apocalyptic number.

11968615 is a deficient number, since it is larger than the sum of its proper divisors (2393729).

11968615 is an equidigital number, since it uses as much as digits as its factorization.

11968615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393728.

The product of its digits is 12960, while the sum is 37.

The square root of 11968615 is about 3459.5686147264. The cubic root of 11968615 is about 228.7430806033.

The spelling of 11968615 in words is "eleven million, nine hundred sixty-eight thousand, six hundred fifteen".