1013857 has 8 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 928272.

The previous prime is 1013851. The next prime is 1013879. The reversal of 1013857 is 7583101.

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 1013857 - 2⁷ = 1013729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938 + ... + 2404.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

2^1013857 is an apocalyptic number.

It is an amenable number.

1013857 is a deficient number, since it is larger than the sum of its proper divisors (86879).

1013857 is a wasteful number, since it uses less digits than its factorization.

1013857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1013857 is about 1006.9046628157. The cubic root of 1013857 is about 100.4597827582.

Adding to 1013857 its reverse (7583101), we get a palindrome (8596958).

The spelling of 1013857 in words is "one million, thirteen thousand, eight hundred fifty-seven".