12838677437 has 4 divisors (see below), whose sum is σ = 12850446336. Its totient is φ = 12826908540.

The previous prime is 12838677407. The next prime is 12838677443. The reversal of 12838677437 is 73477683821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12838677437 - 2¹⁴ = 12838661053 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 (12838677407) 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, 5882813 + ... + 5884994.

It is an arithmetic number, because the mean of its divisors is an integer number (3212611584).

Almost surely, 2^12838677437 is an apocalyptic number.

It is an amenable number.

12838677437 is a deficient number, since it is larger than the sum of its proper divisors (11768899).

12838677437 is a wasteful number, since it uses less digits than its factorization.

12838677437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11768898.

The product of its digits is 9483264, while the sum is 56.

The spelling of 12838677437 in words is "twelve billion, eight hundred thirty-eight million, six hundred seventy-seven thousand, four hundred thirty-seven".