11290032 has 120 divisors (see below), whose sum is σ = 35160944. Its totient is φ = 3359232.

The previous prime is 11290003. The next prime is 11290043. The reversal of 11290032 is 23009211.

It is a happy number.

It is a super-2 number, since 2×11290032² = 254929645122048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11289987 and 11290014.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69183 + ... + 69345.

Almost surely, 2^11290032 is an apocalyptic number.

11290032 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 11290032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17580472).

11290032 is an abundant number, since it is smaller than the sum of its proper divisors (23870912).

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

11290032 is a wasteful number, since it uses less digits than its factorization.

11290032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 11290032 is about 3360.0642850993. The cubic root of 11290032 is about 224.3356998799.

Adding to 11290032 its reverse (23009211), we get a palindrome (34299243).

The spelling of 11290032 in words is "eleven million, two hundred ninety thousand, thirty-two".