11424281 has 16 divisors (see below), whose sum is σ = 12979008. Its totient is φ = 9964800.

The previous prime is 11424253. The next prime is 11424299. The reversal of 11424281 is 18242411.

It is a cyclic number.

It is not a de Polignac number, because 11424281 - 2¹⁴ = 11407897 is a prime.

It is a super-2 number, since 2×11424281² = 261028392733922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11424241) 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 15 ways as a sum of consecutive naturals, for example, 32750 + ... + 33096.

It is an arithmetic number, because the mean of its divisors is an integer number (811188).

Almost surely, 2^11424281 is an apocalyptic number.

11424281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11424281 is a deficient number, since it is larger than the sum of its proper divisors (1554727).

11424281 is a wasteful number, since it uses less digits than its factorization.

11424281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its digits is 512, while the sum is 23.

The square root of 11424281 is about 3379.9823964039. The cubic root of 11424281 is about 225.2213853919.

Adding to 11424281 its reverse (18242411), we get a palindrome (29666692).

The spelling of 11424281 in words is "eleven million, four hundred twenty-four thousand, two hundred eighty-one".