12746755340 has 48 divisors (see below), whose sum is σ = 30738597120. Its totient is φ = 4391225280.

The previous prime is 12746755309. The next prime is 12746755361. The reversal of 12746755340 is 4355764721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 12746755291 and 12746755300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520552 + ... + 1528911.

It is an arithmetic number, because the mean of its divisors is an integer number (640387440).

Almost surely, 2^12746755340 is an apocalyptic number.

12746755340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12746755340 is an abundant number, since it is smaller than the sum of its proper divisors (17991841780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12746755340 is a wasteful number, since it uses less digits than its factorization.

12746755340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049502 (or 3049500 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 12746755340 in words is "twelve billion, seven hundred forty-six million, seven hundred fifty-five thousand, three hundred forty".