1013688 has 96 divisors (see below), whose sum is σ = 3200400. Its totient is φ = 295488.

The previous prime is 1013687. The next prime is 1013699. The reversal of 1013688 is 8863101.

It is a super-2 number, since 2×1013688² = 2055126722688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53343 + ... + 53361.

2^1013688 is an apocalyptic number.

1013688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600200).

1013688 is an abundant number, since it is smaller than the sum of its proper divisors (2186712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013688 is a wasteful number, since it uses less digits than its factorization.

1013688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1013688 is about 1006.8207387614. The cubic root of 1013688 is about 100.4542005618.

Adding to 1013688 its reverse (8863101), we get a palindrome (9876789).

The spelling of 1013688 in words is "one million, thirteen thousand, six hundred eighty-eight".