12755737 has 4 divisors (see below), whose sum is σ = 13195620. Its totient is φ = 12315856.

The previous prime is 12755723. The next prime is 12755749. The reversal of 12755737 is 73755721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9759376 + 2996361 = 3124^2 + 1731^2 .

It is a cyclic number.

It is not a de Polignac number, because 12755737 - 2⁷ = 12755609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12755696 and 12755705.

It is not an unprimeable number, because it can be changed into a prime (12755767) 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, 219898 + ... + 219955.

It is an arithmetic number, because the mean of its divisors is an integer number (3298905).

Almost surely, 2^12755737 is an apocalyptic number.

It is an amenable number.

12755737 is a deficient number, since it is larger than the sum of its proper divisors (439883).

12755737 is an equidigital number, since it uses as much as digits as its factorization.

12755737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439882.

The product of its digits is 51450, while the sum is 37.

The square root of 12755737 is about 3571.5174646080. The cubic root of 12755737 is about 233.6514705753.

The spelling of 12755737 in words is "twelve million, seven hundred fifty-five thousand, seven hundred thirty-seven".