1366279 has 2 divisors, whose sum is σ = 1366280. Its totient is φ = 1366278.

The previous prime is 1366241. The next prime is 1366289. The reversal of 1366279 is 9726631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1366279 - 2¹³ = 1358087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366289) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683139 + 683140.

It is an arithmetic number, because the mean of its divisors is an integer number (683140).

2^1366279 is an apocalyptic number.

1366279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366279 is an equidigital number, since it uses as much as digits as its factorization.

1366279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 1366279 is about 1168.8793778658. The cubic root of 1366279 is about 110.9634108227.

The spelling of 1366279 in words is "one million, three hundred sixty-six thousand, two hundred seventy-nine".