11880028 has 12 divisors (see below), whose sum is σ = 20850480. Its totient is φ = 5922752.

The previous prime is 11880023. The next prime is 11880031. The reversal of 11880028 is 82008811.

11880028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11880028² = 282270130561568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11879978 and 11880005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2701 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (1737540).

Almost surely, 2^11880028 is an apocalyptic number.

It is an amenable number.

11880028 is a deficient number, since it is larger than the sum of its proper divisors (8970452).

11880028 is a wasteful number, since it uses less digits than its factorization.

11880028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636 (or 8634 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 11880028 is about 3446.7416497324. The cubic root of 11880028 is about 228.1773269093.

Adding to 11880028 its reverse (82008811), we get a palindrome (93888839).

It can be divided in two parts, 118800 and 28, that added together give a triangular number (118828 = T₄₈₇).

The spelling of 11880028 in words is "eleven million, eight hundred eighty thousand, twenty-eight".