1365787 has 2 divisors, whose sum is σ = 1365788. Its totient is φ = 1365786.

The previous prime is 1365761. The next prime is 1365799. The reversal of 1365787 is 7875631.

It is a strong prime.

It is an emirp because it is prime and its reverse (7875631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1365787 - 2⁷ = 1365659 is a prime.

It is a Chen prime.

1365787 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1360787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682893 + 682894.

It is an arithmetic number, because the mean of its divisors is an integer number (682894).

2^1365787 is an apocalyptic number.

1365787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365787 is an equidigital number, since it uses as much as digits as its factorization.

1365787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The square root of 1365787 is about 1168.6689009296. The cubic root of 1365787 is about 110.9500898361.

The spelling of 1365787 in words is "one million, three hundred sixty-five thousand, seven hundred eighty-seven".