11480021 has 8 divisors (see below), whose sum is σ = 13268160. Its totient is φ = 9728928.

The previous prime is 11479957. The next prime is 11480069. The reversal of 11480021 is 12008411.

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

It is a cyclic number.

It is not a de Polignac number, because 11480021 - 2⁶ = 11479957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11480621) 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, 8591 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (1658520).

Almost surely, 2^11480021 is an apocalyptic number.

It is an amenable number.

11480021 is a deficient number, since it is larger than the sum of its proper divisors (1788139).

11480021 is an equidigital number, since it uses as much as digits as its factorization.

11480021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11480021 is about 3388.2179681951. The cubic root of 11480021 is about 225.5870824575.

Adding to 11480021 its reverse (12008411), we get a palindrome (23488432).

The spelling of 11480021 in words is "eleven million, four hundred eighty thousand, twenty-one".