11143730 has 32 divisors (see below), whose sum is σ = 22546944. Its totient is φ = 3934656.

The previous prime is 11143723. The next prime is 11143733. The reversal of 11143730 is 3734111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11143733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127 + ... + 4853.

It is an arithmetic number, because the mean of its divisors is an integer number (704592).

Almost surely, 2^11143730 is an apocalyptic number.

11143730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11143730 is an abundant number, since it is smaller than the sum of its proper divisors (11403214).

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

11143730 is a wasteful number, since it uses less digits than its factorization.

11143730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 11143730 is about 3338.2225809553. Note that the first 3 decimals coincide. The cubic root of 11143730 is about 223.3624649507.

Adding to 11143730 its reverse (3734111), we get a palindrome (14877841).

The spelling of 11143730 in words is "eleven million, one hundred forty-three thousand, seven hundred thirty".