11424021 has 8 divisors (see below), whose sum is σ = 17408064. Its totient is φ = 6528000.

The previous prime is 11424013. The next prime is 11424029. The reversal of 11424021 is 12042411.

It is an interprime number because it is at equal distance from previous prime (11424013) and next prime (11424029).

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

It is not a de Polignac number, because 11424021 - 2³ = 11424013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424029) 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 7 ways as a sum of consecutive naturals, for example, 271980 + ... + 272021.

It is an arithmetic number, because the mean of its divisors is an integer number (2176008).

Almost surely, 2^11424021 is an apocalyptic number.

It is an amenable number.

11424021 is a deficient number, since it is larger than the sum of its proper divisors (5984043).

11424021 is an equidigital number, since it uses as much as digits as its factorization.

11424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544011.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 11424021 is about 3379.9439344463. The cubic root of 11424021 is about 225.2196768087.

Adding to 11424021 its reverse (12042411), we get a palindrome (23466432).

The spelling of 11424021 in words is "eleven million, four hundred twenty-four thousand, twenty-one".