11789426 has 16 divisors (see below), whose sum is σ = 19657728. Its totient is φ = 5257200.

The previous prime is 11789419. The next prime is 11789429. The reversal of 11789426 is 62498711.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11789426.

It is not an unprimeable number, because it can be changed into a prime (11789429) by changing a digit.

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, 3890 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (1228608).

Almost surely, 2^11789426 is an apocalyptic number.

11789426 is a deficient number, since it is larger than the sum of its proper divisors (7868302).

11789426 is a wasteful number, since it uses less digits than its factorization.

11789426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177.

The product of its digits is 24192, while the sum is 38.

The square root of 11789426 is about 3433.5733573058. The cubic root of 11789426 is about 227.5957878644.

It can be divided in two parts, 1178 and 9426, that multiplied together give a triangular number (11103828 = T₄₇₁₂).

The spelling of 11789426 in words is "eleven million, seven hundred eighty-nine thousand, four hundred twenty-six".