12440476 has 12 divisors (see below), whose sum is σ = 21805672. Its totient is φ = 6210288.

The previous prime is 12440471. The next prime is 12440479. The reversal of 12440476 is 67404421.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811 + ... + 5053.

Almost surely, 2^12440476 is an apocalyptic number.

It is an amenable number.

12440476 is a deficient number, since it is larger than the sum of its proper divisors (9365196).

12440476 is a wasteful number, since it uses less digits than its factorization.

12440476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 12440476 is about 3527.1058957735. The cubic root of 12440476 is about 231.7104741498.

Adding to 12440476 its reverse (67404421), we get a palindrome (79844897).

The spelling of 12440476 in words is "twelve million, four hundred forty thousand, four hundred seventy-six".