11797905 has 16 divisors (see below), whose sum is σ = 21573504. Its totient is φ = 5393280.

The previous prime is 11797901. The next prime is 11797913. The reversal of 11797905 is 50979711.

It is not a de Polignac number, because 11797905 - 2² = 11797901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11797901) 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, 56076 + ... + 56285.

It is an arithmetic number, because the mean of its divisors is an integer number (1348344).

Almost surely, 2^11797905 is an apocalyptic number.

11797905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11797905 is a deficient number, since it is larger than the sum of its proper divisors (9775599).

11797905 is a wasteful number, since it uses less digits than its factorization.

11797905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112376.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 11797905 is about 3434.8078548880. The cubic root of 11797905 is about 227.6503373744.

The spelling of 11797905 in words is "eleven million, seven hundred ninety-seven thousand, nine hundred five".