11719995 has 48 divisors (see below), whose sum is σ = 22509312. Its totient is φ = 5100480.

The previous prime is 11719969. The next prime is 11719997. The reversal of 11719995 is 59991711.

It is a happy number.

11719995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11719995 - 2⁵ = 11719963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11719997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55440 + ... + 55650.

It is an arithmetic number, because the mean of its divisors is an integer number (468944).

Almost surely, 2^11719995 is an apocalyptic number.

11719995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11719995 is a deficient number, since it is larger than the sum of its proper divisors (10789317).

11719995 is a wasteful number, since it uses less digits than its factorization.

11719995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 249 counting only the distinct ones).

The product of its digits is 25515, while the sum is 42.

The square root of 11719995 is about 3423.4478234669. The cubic root of 11719995 is about 227.1481176063.

The spelling of 11719995 in words is "eleven million, seven hundred nineteen thousand, nine hundred ninety-five".