11905797 has 32 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 7096320.

The previous prime is 11905771. The next prime is 11905807. The reversal of 11905797 is 79750911.

11905797 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 11905797 - 2⁸ = 11905541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11905717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133729 + ... + 133817.

It is an arithmetic number, because the mean of its divisors is an integer number (552420).

Almost surely, 2^11905797 is an apocalyptic number.

11905797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11905797 is a deficient number, since it is larger than the sum of its proper divisors (5771643).

11905797 is a wasteful number, since it uses less digits than its factorization.

11905797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

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

The square root of 11905797 is about 3450.4777930020. The cubic root of 11905797 is about 228.3421877801.

The spelling of 11905797 in words is "eleven million, nine hundred five thousand, seven hundred ninety-seven".