11132420 has 48 divisors (see below), whose sum is σ = 25740288. Its totient is φ = 4018560.

The previous prime is 11132419. The next prime is 11132447. The reversal of 11132420 is 2423111.

It is a junction number, because it is equal to n+sod(n) for n = 11132395 and 11132404.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 11765 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (536256).

Almost surely, 2^11132420 is an apocalyptic number.

11132420 is a gapful number since it is divisible by the number (10) 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 11132420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12870144).

11132420 is an abundant number, since it is smaller than the sum of its proper divisors (14607868).

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

11132420 is a wasteful number, since it uses less digits than its factorization.

11132420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11132420 is about 3336.5281356524. The cubic root of 11132420 is about 223.2868743240.

Adding to 11132420 its reverse (2423111), we get a palindrome (13555531).

The spelling of 11132420 in words is "eleven million, one hundred thirty-two thousand, four hundred twenty".