11581452 has 18 divisors (see below), whose sum is σ = 29275428. Its totient is φ = 3860472.

The previous prime is 11581447. The next prime is 11581457. The reversal of 11581452 is 25418511.

It is an interprime number because it is at equal distance from previous prime (11581447) and next prime (11581457).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (11581457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160818 + ... + 160889.

Almost surely, 2^11581452 is an apocalyptic number.

11581452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11581452 is an abundant number, since it is smaller than the sum of its proper divisors (17693976).

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

11581452 is a wasteful number, since it uses less digits than its factorization.

11581452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321717 (or 321712 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 11581452 is about 3403.1532436845. The cubic root of 11581452 is about 226.2495220934.

Adding to 11581452 its reverse (25418511), we get a palindrome (36999963).

The spelling of 11581452 in words is "eleven million, five hundred eighty-one thousand, four hundred fifty-two".