11731230 has 80 divisors (see below), whose sum is σ = 36067680. Its totient is φ = 2680128.

The previous prime is 11731211. The next prime is 11731243. The reversal of 11731230 is 3213711.

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 39 ways as a sum of consecutive naturals, for example, 4636 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (450846).

Almost surely, 2^11731230 is an apocalyptic number.

11731230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11731230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18033840).

11731230 is an abundant number, since it is smaller than the sum of its proper divisors (24336450).

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

11731230 is a wasteful number, since it uses less digits than its factorization.

11731230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 11731230 is about 3425.0883200291. The cubic root of 11731230 is about 227.2206771955.

Adding to 11731230 its reverse (3213711), we get a palindrome (14944941).

The spelling of 11731230 in words is "eleven million, seven hundred thirty-one thousand, two hundred thirty".