12105404 has 6 divisors (see below), whose sum is σ = 21184464. Its totient is φ = 6052700.

The previous prime is 12105397. The next prime is 12105419. The reversal of 12105404 is 40450121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513172 + ... + 1513179.

It is an arithmetic number, because the mean of its divisors is an integer number (3530744).

Almost surely, 2^12105404 is an apocalyptic number.

It is an amenable number.

12105404 is a deficient number, since it is larger than the sum of its proper divisors (9079060).

12105404 is a wasteful number, since it uses less digits than its factorization.

12105404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026355 (or 3026353 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12105404 is about 3479.2821098612. The cubic root of 12105404 is about 229.6112146343.

Adding to 12105404 its reverse (40450121), we get a palindrome (52555525).

The spelling of 12105404 in words is "twelve million, one hundred five thousand, four hundred four".