12749827 has 2 divisors, whose sum is σ = 12749828. Its totient is φ = 12749826.

The previous prime is 12749783. The next prime is 12749851. The reversal of 12749827 is 72894721.

It is a strong prime.

It is an emirp because it is prime and its reverse (72894721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12749827 - 2²³ = 4361219 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12749827.

It is not a weakly prime, because it can be changed into another prime (12749857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374913 + 6374914.

It is an arithmetic number, because the mean of its divisors is an integer number (6374914).

Almost surely, 2^12749827 is an apocalyptic number.

12749827 is a deficient number, since it is larger than the sum of its proper divisors (1).

12749827 is an equidigital number, since it uses as much as digits as its factorization.

12749827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 12749827 is about 3570.6899893438. The cubic root of 12749827 is about 233.6153797949.

The spelling of 12749827 in words is "twelve million, seven hundred forty-nine thousand, eight hundred twenty-seven".