1362689 has 2 divisors, whose sum is σ = 1362690. Its totient is φ = 1362688.

The previous prime is 1362653. The next prime is 1362701. The reversal of 1362689 is 9862631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774400 + 588289 = 880^2 + 767^2 .

It is an emirp because it is prime and its reverse (9862631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1362689 - 2²⁰ = 314113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1362619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681344 + 681345.

It is an arithmetic number, because the mean of its divisors is an integer number (681345).

2^1362689 is an apocalyptic number.

It is an amenable number.

1362689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1362689 is an equidigital number, since it uses as much as digits as its factorization.

1362689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 1362689 is about 1167.3427088906. The cubic root of 1362689 is about 110.8661373618.

The spelling of 1362689 in words is "one million, three hundred sixty-two thousand, six hundred eighty-nine".