11726816 has 12 divisors (see below), whose sum is σ = 23087232. Its totient is φ = 5863392.

The previous prime is 11726783. The next prime is 11726843. The reversal of 11726816 is 61862711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 366463 = 11726816 / (1 + 1 + 7 + 2 + 6 + 8 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183200 + ... + 183263.

It is an arithmetic number, because the mean of its divisors is an integer number (1923936).

Almost surely, 2^11726816 is an apocalyptic number.

11726816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11726816 is a deficient number, since it is larger than the sum of its proper divisors (11360416).

11726816 is an equidigital number, since it uses as much as digits as its factorization.

11726816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366473 (or 366465 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 11726816 is about 3424.4438964597. The cubic root of 11726816 is about 227.1921755554.

The spelling of 11726816 in words is "eleven million, seven hundred twenty-six thousand, eight hundred sixteen".