11687355 has 16 divisors (see below), whose sum is σ = 20777760. Its totient is φ = 6233184.

The previous prime is 11687327. The next prime is 11687359. The reversal of 11687355 is 55378611.

It is not a de Polignac number, because 11687355 - 2¹³ = 11679163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11687359) 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, 43152 + ... + 43421.

It is an arithmetic number, because the mean of its divisors is an integer number (1298610).

Almost surely, 2^11687355 is an apocalyptic number.

11687355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11687355 is a deficient number, since it is larger than the sum of its proper divisors (9090405).

11687355 is an equidigital number, since it uses as much as digits as its factorization.

11687355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86587 (or 86581 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 11687355 is about 3418.6773758283. The cubic root of 11687355 is about 226.9370535812.

The spelling of 11687355 in words is "eleven million, six hundred eighty-seven thousand, three hundred fifty-five".