11578252 has 24 divisors (see below), whose sum is σ = 23905280. Its totient is φ = 4801680.

The previous prime is 11578247. The next prime is 11578253. The reversal of 11578252 is 25287511.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (11578253) 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, 5802 + ... + 7537.

Almost surely, 2^11578252 is an apocalyptic number.

It is an amenable number.

11578252 is an abundant number, since it is smaller than the sum of its proper divisors (12327028).

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

11578252 is a wasteful number, since it uses less digits than its factorization.

11578252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381 (or 13379 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 11578252 is about 3402.6830589992. The cubic root of 11578252 is about 226.2286823011.

It can be divided in two parts, 1157 and 8252, that added together give a square (9409 = 97²).

The spelling of 11578252 in words is "eleven million, five hundred seventy-eight thousand, two hundred fifty-two".