1013564 has 18 divisors (see below), whose sum is σ = 1858080. Its totient is φ = 483736.

The previous prime is 1013563. The next prime is 1013569. The reversal of 1013564 is 4653101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1877 + ... + 2355.

2^1013564 is an apocalyptic number.

It is an amenable number.

1013564 is a deficient number, since it is larger than the sum of its proper divisors (844516).

1013564 is a wasteful number, since it uses less digits than its factorization.

1013564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1013564 is about 1006.7591568990. The cubic root of 1013564 is about 100.4501043544.

Adding to 1013564 its reverse (4653101), we get a palindrome (5666665).

The spelling of 1013564 in words is "one million, thirteen thousand, five hundred sixty-four".