11880828 has 36 divisors (see below), whose sum is σ = 30143568. Its totient is φ = 3945600.

The previous prime is 11880821. The next prime is 11880839. The reversal of 11880828 is 82808811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 11880792 and 11880801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14025 + ... + 14847.

Almost surely, 2^11880828 is an apocalyptic number.

11880828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11880828 is an abundant number, since it is smaller than the sum of its proper divisors (18262740).

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

11880828 is a wasteful number, since it uses less digits than its factorization.

11880828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 36.

The square root of 11880828 is about 3446.8576994126. The cubic root of 11880828 is about 228.1824486078.

The spelling of 11880828 in words is "eleven million, eight hundred eighty thousand, eight hundred twenty-eight".