12403404024 has 32 divisors (see below), whose sum is σ = 33827466240. Its totient is φ = 3758607200.

The previous prime is 12403404007. The next prime is 12403404029. The reversal of 12403404024 is 42040430421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12403403985 and 12403404003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403404029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23491032 + ... + 23491559.

It is an arithmetic number, because the mean of its divisors is an integer number (1057108320).

Almost surely, 2^12403404024 is an apocalyptic number.

It is an amenable number.

12403404024 is an abundant number, since it is smaller than the sum of its proper divisors (21424062216).

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

12403404024 is a wasteful number, since it uses less digits than its factorization.

12403404024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46982611 (or 46982607 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12403404024 its reverse (42040430421), we get a palindrome (54443834445).

The spelling of 12403404024 in words is "twelve billion, four hundred three million, four hundred four thousand, twenty-four".