12346780037 has 4 divisors (see below), whose sum is σ = 12745063296. Its totient is φ = 11948496780.

The previous prime is 12346780031. The next prime is 12346780067. The reversal of 12346780037 is 73008764321.

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: 73008764321 = 251 ⋅290871571.

It is not a de Polignac number, because 12346780037 - 2⁴ = 12346780021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12346779976 and 12346780003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12346780031) 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, 199141583 + ... + 199141644.

It is an arithmetic number, because the mean of its divisors is an integer number (3186265824).

Almost surely, 2^12346780037 is an apocalyptic number.

It is an amenable number.

12346780037 is a deficient number, since it is larger than the sum of its proper divisors (398283259).

12346780037 is an equidigital number, since it uses as much as digits as its factorization.

12346780037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398283258.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 12346780037 in words is "twelve billion, three hundred forty-six million, seven hundred eighty thousand, thirty-seven".