1013687 has 2 divisors, whose sum is σ = 1013688. Its totient is φ = 1013686.

The previous prime is 1013681. The next prime is 1013699. The reversal of 1013687 is 7863101.

It is a weak prime.

It is an emirp because it is prime and its reverse (7863101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013687 - 2⁴ = 1013671 is a prime.

It is a super-2 number, since 2×1013687² = 2055122667938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506843 + 506844.

It is an arithmetic number, because the mean of its divisors is an integer number (506844).

2^1013687 is an apocalyptic number.

1013687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013687 is an equidigital number, since it uses as much as digits as its factorization.

1013687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1013687 is about 1006.8202421485. The cubic root of 1013687 is about 100.4541675292.

Adding to 1013687 its reverse (7863101), we get a palindrome (8876788).

The spelling of 1013687 in words is "one million, thirteen thousand, six hundred eighty-seven".