11726947 has 4 divisors (see below), whose sum is σ = 11734096. Its totient is φ = 11719800.

The previous prime is 11726929. The next prime is 11726951. The reversal of 11726947 is 74962711.

11726947 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: 74962711 = 5381 ⋅13931.

It is a cyclic number.

It is not a de Polignac number, because 11726947 - 2¹¹ = 11724899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11726977) 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, 253 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (2933524).

Almost surely, 2^11726947 is an apocalyptic number.

11726947 is a deficient number, since it is larger than the sum of its proper divisors (7149).

11726947 is an equidigital number, since it uses as much as digits as its factorization.

11726947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148.

The product of its digits is 21168, while the sum is 37.

The square root of 11726947 is about 3424.4630235995. The cubic root of 11726947 is about 227.1930215385.

The spelling of 11726947 in words is "eleven million, seven hundred twenty-six thousand, nine hundred forty-seven".