11231004 has 48 divisors (see below), whose sum is σ = 27619200. Its totient is φ = 3546816.

The previous prime is 11230939. The next prime is 11231027. The reversal of 11231004 is 40013211.

It is a happy number.

It is a super-2 number, since 2×11231004² = 252270901696032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20259 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (575400).

Almost surely, 2^11231004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13809600).

11231004 is an abundant number, since it is smaller than the sum of its proper divisors (16388196).

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

11231004 is a wasteful number, since it uses less digits than its factorization.

11231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11231004 is about 3351.2690133739. The cubic root of 11231004 is about 223.9440495889.

Adding to 11231004 its reverse (40013211), we get a palindrome (51244215).

The spelling of 11231004 in words is "eleven million, two hundred thirty-one thousand, four".