12440104 has 8 divisors (see below), whose sum is σ = 23325210. Its totient is φ = 6220048.

The previous prime is 12440093. The next prime is 12440111. The reversal of 12440104 is 40104421.

12440104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6240004 + 6200100 = 2498^2 + 2490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777499 + ... + 777514.

Almost surely, 2^12440104 is an apocalyptic number.

It is an amenable number.

12440104 is a deficient number, since it is larger than the sum of its proper divisors (10885106).

12440104 is a wasteful number, since it uses less digits than its factorization.

12440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555019 (or 1555015 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12440104 is about 3527.0531609263. The cubic root of 12440104 is about 231.7081645609.

Adding to 12440104 its reverse (40104421), we get a palindrome (52544525).

It can be divided in two parts, 12440 and 104, that added together give a square (12544 = 112²).

The spelling of 12440104 in words is "twelve million, four hundred forty thousand, one hundred four".