1340827 has 2 divisors, whose sum is σ = 1340828. Its totient is φ = 1340826.

The previous prime is 1340803. The next prime is 1340837. The reversal of 1340827 is 7280431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340827 - 2¹⁹ = 816539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670413 + 670414.

It is an arithmetic number, because the mean of its divisors is an integer number (670414).

2^1340827 is an apocalyptic number.

1340827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340827 is an equidigital number, since it uses as much as digits as its factorization.

1340827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1340827 is about 1157.9408447758. The cubic root of 1340827 is about 110.2700527248.

The spelling of 1340827 in words is "one million, three hundred forty thousand, eight hundred twenty-seven".