11424581 has 8 divisors (see below), whose sum is σ = 13115520. Its totient is φ = 9748368.

The previous prime is 11424577. The next prime is 11424593. The reversal of 11424581 is 18542411.

11424581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11424581 - 2² = 11424577 is a prime.

It is a super-2 number, since 2×11424581² = 261042102051122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11424581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (1639440).

Almost surely, 2^11424581 is an apocalyptic number.

It is an amenable number.

11424581 is a deficient number, since it is larger than the sum of its proper divisors (1690939).

11424581 is an equidigital number, since it uses as much as digits as its factorization.

11424581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363.

The product of its digits is 1280, while the sum is 26.

The square root of 11424581 is about 3380.0267750419. The cubic root of 11424581 is about 225.2233568019.

Adding to 11424581 its reverse (18542411), we get a palindrome (29966992).

The spelling of 11424581 in words is "eleven million, four hundred twenty-four thousand, five hundred eighty-one".