1320513327 has 32 divisors (see below), whose sum is σ = 2246453760. Its totient is φ = 750980160.

The previous prime is 1320513323. The next prime is 1320513377. The reversal of 1320513327 is 7233150231.

1320513327 is a `hidden beast` number, since 1 + 320 + 5 + 1 + 332 + 7 = 666.

It is not a de Polignac number, because 1320513327 - 2² = 1320513323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1320513327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320513323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23323 + ... + 56435.

It is an arithmetic number, because the mean of its divisors is an integer number (70201680).

Almost surely, 2^1320513327 is an apocalyptic number.

1320513327 is a deficient number, since it is larger than the sum of its proper divisors (925940433).

1320513327 is a wasteful number, since it uses less digits than its factorization.

1320513327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33340 (or 33334 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 1320513327 is about 36338.8679928255. The cubic root of 1320513327 is about 1097.1034889918.

Adding to 1320513327 its reverse (7233150231), we get a palindrome (8553663558).

The spelling of 1320513327 in words is "one billion, three hundred twenty million, five hundred thirteen thousand, three hundred twenty-seven".