12340767437 has 4 divisors (see below), whose sum is σ = 12414664416. Its totient is φ = 12266870460.

The previous prime is 12340767433. The next prime is 12340767473. The reversal of 12340767437 is 73476704321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73476704321 = 179281 ⋅409841.

It is a cyclic number.

It is not a de Polignac number, because 12340767437 - 2² = 12340767433 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 (12340767431) 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 3 ways as a sum of consecutive naturals, for example, 36948239 + ... + 36948572.

It is an arithmetic number, because the mean of its divisors is an integer number (3103666104).

Almost surely, 2^12340767437 is an apocalyptic number.

It is an amenable number.

12340767437 is a deficient number, since it is larger than the sum of its proper divisors (73896979).

12340767437 is an equidigital number, since it uses as much as digits as its factorization.

12340767437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73896978.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 12340767437 in words is "twelve billion, three hundred forty million, seven hundred sixty-seven thousand, four hundred thirty-seven".