1313532 has 72 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 381600.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313532 is 2353131.

1313532 is a `hidden beast` number, since 131 + 3 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12223 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2^1313532 is an apocalyptic number.

1313532 is a gapful number since it is divisible by the number (12) 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 1313532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886976).

1313532 is an abundant number, since it is smaller than the sum of its proper divisors (2460420).

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

1313532 is a wasteful number, since it uses less digits than its factorization.

1313532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 154 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1313532 is about 1146.0942369631. The cubic root of 1313532 is about 109.5166672571.

Adding to 1313532 its reverse (2353131), we get a palindrome (3666663).

It can be divided in two parts, 131 and 3532, that added together give a palindrome (3663).

The spelling of 1313532 in words is "one million, three hundred thirteen thousand, five hundred thirty-two".