11780426 has 8 divisors (see below), whose sum is σ = 20195040. Its totient is φ = 5048748.

The previous prime is 11780411. The next prime is 11780429. The reversal of 11780426 is 62408711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11780429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420716 + ... + 420743.

It is an arithmetic number, because the mean of its divisors is an integer number (2524380).

Almost surely, 2^11780426 is an apocalyptic number.

11780426 is a deficient number, since it is larger than the sum of its proper divisors (8414614).

11780426 is an equidigital number, since it uses as much as digits as its factorization.

11780426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841468.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 11780426 is about 3432.2625190973. The cubic root of 11780426 is about 227.5378578869.

The spelling of 11780426 in words is "eleven million, seven hundred eighty thousand, four hundred twenty-six".