12504402413 has 4 divisors (see below), whose sum is σ = 12740334588. Its totient is φ = 12268470240.

The previous prime is 12504402401. The next prime is 12504402457. The reversal of 12504402413 is 31420440521.

12504402413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31420440521 = 131 ⋅239850691.

It can be written as a sum of positive squares in 2 ways, for example, as 3973663369 + 8530739044 = 63037^2 + 92362^2 .

It is a cyclic number.

It is not a de Polignac number, because 12504402413 - 2⁶ = 12504402349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504302413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117966008 + ... + 117966113.

It is an arithmetic number, because the mean of its divisors is an integer number (3185083647).

Almost surely, 2^12504402413 is an apocalyptic number.

It is an amenable number.

12504402413 is a deficient number, since it is larger than the sum of its proper divisors (235932175).

12504402413 is an equidigital number, since it uses as much as digits as its factorization.

12504402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235932174.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12504402413 its reverse (31420440521), we get a palindrome (43924842934).

The spelling of 12504402413 in words is "twelve billion, five hundred four million, four hundred two thousand, four hundred thirteen".