11143734 has 64 divisors (see below), whose sum is σ = 26790912. Its totient is φ = 3024000.

The previous prime is 11143733. The next prime is 11143817. The reversal of 11143734 is 43734111.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 110284 + ... + 110384.

It is an arithmetic number, because the mean of its divisors is an integer number (418608).

Almost surely, 2^11143734 is an apocalyptic number.

11143734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11143734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13395456).

11143734 is an abundant number, since it is smaller than the sum of its proper divisors (15647178).

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

11143734 is a wasteful number, since it uses less digits than its factorization.

11143734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its digits is 1008, while the sum is 24.

The square root of 11143734 is about 3338.2231800765. The cubic root of 11143734 is about 223.3624916757.

Adding to 11143734 its reverse (43734111), we get a palindrome (54877845).

The spelling of 11143734 in words is "eleven million, one hundred forty-three thousand, seven hundred thirty-four".