12748937 has 2 divisors, whose sum is σ = 12748938. Its totient is φ = 12748936.

The previous prime is 12748933. The next prime is 12748987. The reversal of 12748937 is 73984721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11806096 + 942841 = 3436^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 12748937 - 2² = 12748933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12748894 and 12748903.

It is not a weakly prime, because it can be changed into another prime (12748933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374468 + 6374469.

It is an arithmetic number, because the mean of its divisors is an integer number (6374469).

Almost surely, 2^12748937 is an apocalyptic number.

It is an amenable number.

12748937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12748937 is an equidigital number, since it uses as much as digits as its factorization.

12748937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 12748937 is about 3570.5653613959. The cubic root of 12748937 is about 233.6099438381.

The spelling of 12748937 in words is "twelve million, seven hundred forty-eight thousand, nine hundred thirty-seven".