11968619 has 16 divisors (see below), whose sum is σ = 13608000. Its totient is φ = 10448256.

The previous prime is 11968603. The next prime is 11968637. The reversal of 11968619 is 91686911.

It is a happy number.

11968619 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 11968619 - 2⁴ = 11968603 is a prime.

It is a super-2 number, since 2×11968619² = 286495681534322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11968639) 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, 19682 + ... + 20280.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^11968619 is an apocalyptic number.

11968619 is a deficient number, since it is larger than the sum of its proper divisors (1639381).

11968619 is a wasteful number, since it uses less digits than its factorization.

11968619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694.

The product of its digits is 23328, while the sum is 41.

The square root of 11968619 is about 3459.5691928331. The cubic root of 11968619 is about 228.7431060858.

The spelling of 11968619 in words is "eleven million, nine hundred sixty-eight thousand, six hundred nineteen".