11230812 has 60 divisors (see below), whose sum is σ = 31101840. Its totient is φ = 3521664.

The previous prime is 11230799. The next prime is 11230853. The reversal of 11230812 is 21803211.

It is a super-2 number, since 2×11230812² = 252262276358688, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4489 + ... + 6527.

It is an arithmetic number, because the mean of its divisors is an integer number (518364).

Almost surely, 2^11230812 is an apocalyptic number.

11230812 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 11230812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15550920).

11230812 is an abundant number, since it is smaller than the sum of its proper divisors (19871028).

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

11230812 is a wasteful number, since it uses less digits than its factorization.

11230812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11230812 is about 3351.2403673864. The cubic root of 11230812 is about 223.9427734340.

The spelling of 11230812 in words is "eleven million, two hundred thirty thousand, eight hundred twelve".