1387367 has 2 divisors, whose sum is σ = 1387368. Its totient is φ = 1387366.

The previous prime is 1387363. The next prime is 1387403. The reversal of 1387367 is 7637831.

It is a weak prime.

It is an emirp because it is prime and its reverse (7637831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1387367 - 2² = 1387363 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693683 + 693684.

It is an arithmetic number, because the mean of its divisors is an integer number (693684).

2^1387367 is an apocalyptic number.

1387367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387367 is an equidigital number, since it uses as much as digits as its factorization.

1387367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 1387367 is about 1177.8654422301. The cubic root of 1387367 is about 111.5313913504.

The spelling of 1387367 in words is "one million, three hundred eighty-seven thousand, three hundred sixty-seven".