11452809 has 8 divisors (see below), whose sum is σ = 15295680. Its totient is φ = 7622576.

The previous prime is 11452799. The next prime is 11452829. The reversal of 11452809 is 90825411.

It is a happy number.

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 11452809 - 2⁷ = 11452681 is a prime.

It is a super-3 number, since 3×11452809³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11452829) 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, 789 + ... + 4850.

It is an arithmetic number, because the mean of its divisors is an integer number (1911960).

Almost surely, 2^11452809 is an apocalyptic number.

It is an amenable number.

11452809 is a deficient number, since it is larger than the sum of its proper divisors (3842871).

11452809 is an equidigital number, since it uses as much as digits as its factorization.

11452809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11452809 is about 3384.1999054429. The cubic root of 11452809 is about 225.4086991481.

The spelling of 11452809 in words is "eleven million, four hundred fifty-two thousand, eight hundred nine".