11280396 has 36 divisors (see below), whose sum is σ = 27530552. Its totient is φ = 3594624.

The previous prime is 11280377. The next prime is 11280397. The reversal of 11280396 is 69308211.

It is not an unprimeable number, because it can be changed into a prime (11280397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5460 + ... + 7236.

Almost surely, 2^11280396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11280396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13765276).

11280396 is an abundant number, since it is smaller than the sum of its proper divisors (16250156).

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

11280396 is a wasteful number, since it uses less digits than its factorization.

11280396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11280396 is about 3358.6300778740. The cubic root of 11280396 is about 224.2718584873.

It can be divided in two parts, 112 and 80396, that added together give a palindrome (80508).

The spelling of 11280396 in words is "eleven million, two hundred eighty thousand, three hundred ninety-six".