1013385 has 8 divisors (see below), whose sum is σ = 1621440. Its totient is φ = 540464.

The previous prime is 1013377. The next prime is 1013399. The reversal of 1013385 is 5833101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013385 - 2³ = 1013377 is a prime.

1013385 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33765 + ... + 33794.

It is an arithmetic number, because the mean of its divisors is an integer number (202680).

2^1013385 is an apocalyptic number.

1013385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013385 is a deficient number, since it is larger than the sum of its proper divisors (608055).

1013385 is an equidigital number, since it uses as much as digits as its factorization.

1013385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67567.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1013385 is about 1006.6702538567. The cubic root of 1013385 is about 100.4441906916. Note that the first 3 decimals are identical.

Adding to 1013385 its reverse (5833101), we get a palindrome (6846486).

It can be divided in two parts, 101 and 3385, that added together give a triangular number (3486 = T₈₃).

The spelling of 1013385 in words is "one million, thirteen thousand, three hundred eighty-five".