11421874 has 4 divisors (see below), whose sum is σ = 17132814. Its totient is φ = 5710936.

The previous prime is 11421859. The next prime is 11421877. The reversal of 11421874 is 47812411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8555625 + 2866249 = 2925^2 + 1693^2 .

It is not an unprimeable number, because it can be changed into a prime (11421877) 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, 2855467 + ... + 2855470.

Almost surely, 2^11421874 is an apocalyptic number.

11421874 is a deficient number, since it is larger than the sum of its proper divisors (5710940).

11421874 is an equidigital number, since it uses as much as digits as its factorization.

11421874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710939.

The product of its digits is 1792, while the sum is 28.

The square root of 11421874 is about 3379.6263107036. The cubic root of 11421874 is about 225.2055668632.

The spelling of 11421874 in words is "eleven million, four hundred twenty-one thousand, eight hundred seventy-four".