11532819 has 4 divisors (see below), whose sum is σ = 15377096. Its totient is φ = 7688544.

The previous prime is 11532811. The next prime is 11532823. The reversal of 11532819 is 91823511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11532819 - 2³ = 11532811 is a prime.

It is a super-2 number, since 2×11532819² = 266011828173522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11532811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922134 + ... + 1922139.

It is an arithmetic number, because the mean of its divisors is an integer number (3844274).

Almost surely, 2^11532819 is an apocalyptic number.

11532819 is a deficient number, since it is larger than the sum of its proper divisors (3844277).

11532819 is an equidigital number, since it uses as much as digits as its factorization.

11532819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844276.

The product of its digits is 2160, while the sum is 30.

The square root of 11532819 is about 3396.0004416961. Note that the first 3 decimals coincide. The cubic root of 11532819 is about 225.9323876895.

The spelling of 11532819 in words is "eleven million, five hundred thirty-two thousand, eight hundred nineteen".