11718634 has 4 divisors (see below), whose sum is σ = 17577954. Its totient is φ = 5859316.

The previous prime is 11718631. The next prime is 11718647. The reversal of 11718634 is 43681711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 124609 = 3405^2 + 353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11718596 and 11718605.

It is not an unprimeable number, because it can be changed into a prime (11718631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2929657 + ... + 2929660.

Almost surely, 2^11718634 is an apocalyptic number.

11718634 is a deficient number, since it is larger than the sum of its proper divisors (5859320).

11718634 is an equidigital number, since it uses as much as digits as its factorization.

11718634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859319.

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

The square root of 11718634 is about 3423.2490414809. The cubic root of 11718634 is about 227.1393246403.

The spelling of 11718634 in words is "eleven million, seven hundred eighteen thousand, six hundred thirty-four".