12241404 has 72 divisors (see below), whose sum is σ = 36528128. Its totient is φ = 3382560.

The previous prime is 12241399. The next prime is 12241457. The reversal of 12241404 is 40414221.

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 23 ways as a sum of consecutive naturals, for example, 7029 + ... + 8595.

Almost surely, 2^12241404 is an apocalyptic number.

12241404 is a gapful number since it is divisible by the number (14) 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 12241404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18264064).

12241404 is an abundant number, since it is smaller than the sum of its proper divisors (24286724).

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

12241404 is a wasteful number, since it uses less digits than its factorization.

12241404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12241404 is about 3498.7717844981. The cubic root of 12241404 is about 230.4678818357.

Adding to 12241404 its reverse (40414221), we get a palindrome (52655625).

It can be divided in two parts, 1224 and 1404, that added together give a triangular number (2628 = T₇₂).

The spelling of 12241404 in words is "twelve million, two hundred forty-one thousand, four hundred four".