1513320 has 32 divisors (see below), whose sum is σ = 4540320. Its totient is φ = 403520.

The previous prime is 1513319. The next prime is 1513321. The reversal of 1513320 is 233151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1513319) and next prime (1513321).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1513320.

It is not an unprimeable number, because it can be changed into a prime (1513321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6186 + ... + 6425.

It is an arithmetic number, because the mean of its divisors is an integer number (141885).

2^1513320 is an apocalyptic number.

1513320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513320 is an abundant number, since it is smaller than the sum of its proper divisors (3027000).

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

1513320 is a wasteful number, since it uses less digits than its factorization.

1513320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625 (or 12621 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1513320 is about 1230.1707198596. The cubic root of 1513320 is about 114.8092616371.

Adding to 1513320 its reverse (233151), we get a palindrome (1746471).

The spelling of 1513320 in words is "one million, five hundred thirteen thousand, three hundred twenty".