11718426 has 16 divisors (see below), whose sum is σ = 23657184. Its totient is φ = 3869424.

The previous prime is 11718419. The next prime is 11718433. The reversal of 11718426 is 62481711.

It is an interprime number because it is at equal distance from previous prime (11718419) and next prime (11718433).

It is a junction number, because it is equal to n+sod(n) for n = 11718393 and 11718402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8485 + ... + 9768.

It is an arithmetic number, because the mean of its divisors is an integer number (1478574).

Almost surely, 2^11718426 is an apocalyptic number.

11718426 is an abundant number, since it is smaller than the sum of its proper divisors (11938758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11718426 is a wasteful number, since it uses less digits than its factorization.

11718426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18365.

The product of its digits is 2688, while the sum is 30.

The square root of 11718426 is about 3423.2186608512. The cubic root of 11718426 is about 227.1379807618.

The spelling of 11718426 in words is "eleven million, seven hundred eighteen thousand, four hundred twenty-six".