1313528 has 8 divisors (see below), whose sum is σ = 2462880. Its totient is φ = 656760.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313528 is 8253131.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82088 + ... + 82103.

It is an arithmetic number, because the mean of its divisors is an integer number (307860).

2^1313528 is an apocalyptic number.

It is an amenable number.

1313528 is a deficient number, since it is larger than the sum of its proper divisors (1149352).

1313528 is a wasteful number, since it uses less digits than its factorization.

1313528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164197 (or 164193 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1313528 is about 1146.0924919046. The cubic root of 1313528 is about 109.5165560894.

Adding to 1313528 its reverse (8253131), we get a palindrome (9566659).

The spelling of 1313528 in words is "one million, three hundred thirteen thousand, five hundred twenty-eight".