1320516 has 24 divisors (see below), whose sum is σ = 3423840. Its totient is φ = 440136.

The previous prime is 1320437. The next prime is 1320533. The reversal of 1320516 is 6150231.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6006 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (142660).

2^1320516 is an apocalyptic number.

It is an amenable number.

1320516 is an abundant number, since it is smaller than the sum of its proper divisors (2103324).

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

1320516 is a wasteful number, since it uses less digits than its factorization.

1320516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12240 (or 12232 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1320516 is about 1149.1370675424. The cubic root of 1320516 is about 109.7104229248.

Adding to 1320516 its reverse (6150231), we get a palindrome (7470747).

The spelling of 1320516 in words is "one million, three hundred twenty thousand, five hundred sixteen".