11239992 has 64 divisors (see below), whose sum is σ = 33069600. Its totient is φ = 3525120.

The previous prime is 11239979. The next prime is 11239993. The reversal of 11239992 is 29993211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11239993) 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, 2142 + ... + 5202.

Almost surely, 2^11239992 is an apocalyptic number.

11239992 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 11239992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16534800).

11239992 is an abundant number, since it is smaller than the sum of its proper divisors (21829608).

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

11239992 is a wasteful number, since it uses less digits than its factorization.

11239992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3083 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 11239992 is about 3352.6097297479. The cubic root of 11239992 is about 224.0037733208.

It can be divided in two parts, 112 and 39992, that added together give a palindrome (40104).

The spelling of 11239992 in words is "eleven million, two hundred thirty-nine thousand, nine hundred ninety-two".