11634871 has 4 divisors (see below), whose sum is σ = 11642544. Its totient is φ = 11627200.

The previous prime is 11634869. The next prime is 11634901. The reversal of 11634871 is 17843611.

11634871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17843611 = 599 ⋅29789.

It is a cyclic number.

It is not a de Polignac number, because 11634871 - 2¹ = 11634869 is a prime.

It is a super-3 number, since 3×11634871³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11634071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715 + ... + 4876.

It is an arithmetic number, because the mean of its divisors is an integer number (2910636).

Almost surely, 2^11634871 is an apocalyptic number.

11634871 is a deficient number, since it is larger than the sum of its proper divisors (7673).

11634871 is an equidigital number, since it uses as much as digits as its factorization.

11634871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7672.

The product of its digits is 4032, while the sum is 31.

The square root of 11634871 is about 3410.9926707632. The cubic root of 11634871 is about 226.5968443631.

The spelling of 11634871 in words is "eleven million, six hundred thirty-four thousand, eight hundred seventy-one".