12837400913 has 8 divisors (see below), whose sum is σ = 13293419880. Its totient is φ = 12382272000.

The previous prime is 12837400889. The next prime is 12837400931. The reversal of 12837400913 is 31900473821.

It can be written as a sum of positive squares in 4 ways, for example, as 2657196304 + 10180204609 = 51548^2 + 100897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12837400913 - 2⁸ = 12837400657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12837400973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193088 + ... + 250913.

It is an arithmetic number, because the mean of its divisors is an integer number (1661677485).

Almost surely, 2^12837400913 is an apocalyptic number.

It is an amenable number.

12837400913 is a deficient number, since it is larger than the sum of its proper divisors (456018967).

12837400913 is an equidigital number, since it uses as much as digits as its factorization.

12837400913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445027.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 12837400913 in words is "twelve billion, eight hundred thirty-seven million, four hundred thousand, nine hundred thirteen".