11826442 has 4 divisors (see below), whose sum is σ = 17739666. Its totient is φ = 5913220.

The previous prime is 11826433. The next prime is 11826443. The reversal of 11826442 is 24462811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24462811 = 73 ⋅335107.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 123201 = 3421^2 + 351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11826442.

It is not an unprimeable number, because it can be changed into a prime (11826443) 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 as a sum of consecutive naturals, namely, 2956609 + ... + 2956612.

Almost surely, 2^11826442 is an apocalyptic number.

11826442 is a deficient number, since it is larger than the sum of its proper divisors (5913224).

11826442 is an equidigital number, since it uses as much as digits as its factorization.

11826442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913223.

The product of its digits is 3072, while the sum is 28.

The square root of 11826442 is about 3438.9594356433. The cubic root of 11826442 is about 227.8337379240.

The spelling of 11826442 in words is "eleven million, eight hundred twenty-six thousand, four hundred forty-two".