1368811 has 2 divisors, whose sum is σ = 1368812. Its totient is φ = 1368810.

The previous prime is 1368803. The next prime is 1368827. The reversal of 1368811 is 1188631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1368811 - 2³ = 1368803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1368811.

It is not a weakly prime, because it can be changed into another prime (1368841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684405 + 684406.

It is an arithmetic number, because the mean of its divisors is an integer number (684406).

2^1368811 is an apocalyptic number.

1368811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368811 is an equidigital number, since it uses as much as digits as its factorization.

1368811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 1368811 is about 1169.9619651937. The cubic root of 1368811 is about 111.0319146388.

The spelling of 1368811 in words is "one million, three hundred sixty-eight thousand, eight hundred eleven".