11697853 has 8 divisors (see below), whose sum is σ = 12434040. Its totient is φ = 11005120.

The previous prime is 11697839. The next prime is 11697857. The reversal of 11697853 is 35879611.

11697853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49284 + 11648569 = 222^2 + 3413^2 .

It is not a de Polignac number, because 11697853 - 2⁵ = 11697821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11697857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3723 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (1554255).

Almost surely, 2^11697853 is an apocalyptic number.

It is an amenable number.

11697853 is a deficient number, since it is larger than the sum of its proper divisors (736187).

11697853 is an frugal number, since it uses more digits than its factorization.

11697853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2398 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 11697853 is about 3420.2124203037. The cubic root of 11697853 is about 227.0049809046.

It can be divided in two parts, 116 and 97853, that added together give a square (97969 = 313²).

The spelling of 11697853 in words is "eleven million, six hundred ninety-seven thousand, eight hundred fifty-three".