11979795 has 16 divisors (see below), whose sum is σ = 19786752. Its totient is φ = 6182880.

The previous prime is 11979787. The next prime is 11979817. The reversal of 11979795 is 59797911.

It is a happy number.

11979795 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 11979795 - 2³ = 11979787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12417 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (1236672).

Almost surely, 2^11979795 is an apocalyptic number.

11979795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11979795 is a deficient number, since it is larger than the sum of its proper divisors (7806957).

11979795 is a wasteful number, since it uses less digits than its factorization.

11979795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25802.

The product of its digits is 178605, while the sum is 48.

The square root of 11979795 is about 3461.1840459588. The cubic root of 11979795 is about 228.8142821520.

It can be divided in two parts, 1197979 and 5, that multiplied together give a palindrome (5989895).

The spelling of 11979795 in words is "eleven million, nine hundred seventy-nine thousand, seven hundred ninety-five".