1013636 has 24 divisors (see below), whose sum is σ = 1939224. Its totient is φ = 460800.

The previous prime is 1013629. The next prime is 1013641. The reversal of 1013636 is 6363101.

It can be written as a sum of positive squares in 4 ways, for example, as 122500 + 891136 = 350^2 + 944^2 .

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, 5156 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (80801).

2^1013636 is an apocalyptic number.

It is an amenable number.

1013636 is a deficient number, since it is larger than the sum of its proper divisors (925588).

1013636 is a wasteful number, since it uses less digits than its factorization.

1013636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1013636 is about 1006.7949145680. The cubic root of 1013636 is about 100.4524828381.

Adding to 1013636 its reverse (6363101), we get a palindrome (7376737).

It can be divided in two parts, 101 and 3636, that multiplied together give a square (367236 = 606²).

The spelling of 1013636 in words is "one million, thirteen thousand, six hundred thirty-six".