11809252 has 24 divisors (see below), whose sum is σ = 25436096. Its totient is φ = 4671648.

The previous prime is 11809249. The next prime is 11809277. The reversal of 11809252 is 25290811.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11809252.

It is an unprimeable number.

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, 15858 + ... + 16585.

Almost surely, 2^11809252 is an apocalyptic number.

It is an amenable number.

11809252 is an abundant number, since it is smaller than the sum of its proper divisors (13626844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11809252 is a wasteful number, since it uses less digits than its factorization.

11809252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32467 (or 32465 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11809252 is about 3436.4592242598. The cubic root of 11809252 is about 227.7232972397.

The spelling of 11809252 in words is "eleven million, eight hundred nine thousand, two hundred fifty-two".