11886634 has 4 divisors (see below), whose sum is σ = 17829954. Its totient is φ = 5943316.

The previous prime is 11886631. The next prime is 11886649. The reversal of 11886634 is 43668811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43668811 = 1429 ⋅30559.

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 2295225 = 3097^2 + 1515^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11886593 and 11886602.

It is not an unprimeable number, because it can be changed into a prime (11886631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2971657 + ... + 2971660.

Almost surely, 2^11886634 is an apocalyptic number.

11886634 is a deficient number, since it is larger than the sum of its proper divisors (5943320).

11886634 is an equidigital number, since it uses as much as digits as its factorization.

11886634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943319.

The product of its digits is 27648, while the sum is 37.

The square root of 11886634 is about 3447.6998129188. The cubic root of 11886634 is about 228.2196124471.

The spelling of 11886634 in words is "eleven million, eight hundred eighty-six thousand, six hundred thirty-four".