11233780 has 24 divisors (see below), whose sum is σ = 24353280. Its totient is φ = 4348320.

The previous prime is 11233757. The next prime is 11233813. The reversal of 11233780 is 8733211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8440 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (1014720).

Almost surely, 2^11233780 is an apocalyptic number.

11233780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11233780 is an abundant number, since it is smaller than the sum of its proper divisors (13119500).

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

11233780 is a wasteful number, since it uses less digits than its factorization.

11233780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18159 (or 18157 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 11233780 is about 3351.6831592500. The cubic root of 11233780 is about 223.9624990368.

Adding to 11233780 its reverse (8733211), we get a palindrome (19966991).

The spelling of 11233780 in words is "eleven million, two hundred thirty-three thousand, seven hundred eighty".