12361404 has 48 divisors (see below), whose sum is σ = 32328576. Its totient is φ = 3643200.

The previous prime is 12361403. The next prime is 12361411. The reversal of 12361404 is 40416321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361403) 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, 3619 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (673512).

Almost surely, 2^12361404 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 12361404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16164288).

12361404 is an abundant number, since it is smaller than the sum of its proper divisors (19967172).

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

12361404 is a wasteful number, since it uses less digits than its factorization.

12361404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2584 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12361404 is about 3515.8788375028. The cubic root of 12361404 is about 231.2185110277.

Adding to 12361404 its reverse (40416321), we get a palindrome (52777725).

The spelling of 12361404 in words is "twelve million, three hundred sixty-one thousand, four hundred four".