11869452 has 144 divisors (see below), whose sum is σ = 37623040. Its totient is φ = 3079296.

The previous prime is 11869423. The next prime is 11869463. The reversal of 11869452 is 25496811.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (17280) is a multiple of the sum of its prime divisors (135).

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 47 ways as a sum of consecutive naturals, for example, 177123 + ... + 177189.

Almost surely, 2^11869452 is an apocalyptic number.

11869452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11869452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18811520).

11869452 is an abundant number, since it is smaller than the sum of its proper divisors (25753588).

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

11869452 is a wasteful number, since it uses less digits than its factorization.

11869452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 135 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 11869452 is about 3445.2071055308. The cubic root of 11869452 is about 228.1095964329.

It can be divided in two parts, 11869 and 452, that added together give a palindrome (12321).

The spelling of 11869452 in words is "eleven million, eight hundred sixty-nine thousand, four hundred fifty-two".