11695978 has 8 divisors (see below), whose sum is σ = 20050272. Its totient is φ = 5012556.

The previous prime is 11695951. The next prime is 11695979. The reversal of 11695978 is 87959611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11695979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417700 + ... + 417727.

It is an arithmetic number, because the mean of its divisors is an integer number (2506284).

Almost surely, 2^11695978 is an apocalyptic number.

11695978 is a deficient number, since it is larger than the sum of its proper divisors (8354294).

11695978 is an equidigital number, since it uses as much as digits as its factorization.

11695978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835436.

The product of its digits is 136080, while the sum is 46.

The square root of 11695978 is about 3419.9383035371. The cubic root of 11695978 is about 226.9928516965.

The spelling of 11695978 in words is "eleven million, six hundred ninety-five thousand, nine hundred seventy-eight".