1513520 has 20 divisors (see below), whose sum is σ = 3519120. Its totient is φ = 605376.

The previous prime is 1513517. The next prime is 1513529. The reversal of 1513520 is 253151.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1513529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9380 + ... + 9539.

It is an arithmetic number, because the mean of its divisors is an integer number (175956).

2^1513520 is an apocalyptic number.

1513520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513520 is an abundant number, since it is smaller than the sum of its proper divisors (2005600).

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

1513520 is a wasteful number, since it uses less digits than its factorization.

1513520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932 (or 18926 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1513520 is about 1230.2520067043. The cubic root of 1513520 is about 114.8143191356.

Adding to 1513520 its reverse (253151), we get a palindrome (1766671).

The spelling of 1513520 in words is "one million, five hundred thirteen thousand, five hundred twenty".