1338587 has 2 divisors, whose sum is σ = 1338588. Its totient is φ = 1338586.

The previous prime is 1338581. The next prime is 1338637. The reversal of 1338587 is 7858331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338587 - 2⁸ = 1338331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1338581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669293 + 669294.

It is an arithmetic number, because the mean of its divisors is an integer number (669294).

2^1338587 is an apocalyptic number.

1338587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338587 is an equidigital number, since it uses as much as digits as its factorization.

1338587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 1338587 is about 1156.9732062585. The cubic root of 1338587 is about 110.2086123859.

The spelling of 1338587 in words is "one million, three hundred thirty-eight thousand, five hundred eighty-seven".