1513830 has 16 divisors (see below), whose sum is σ = 3633264. Its totient is φ = 403680.

The previous prime is 1513819. The next prime is 1513859. The reversal of 1513830 is 383151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1513797 and 1513806.

It is a congruent number.

It is an unprimeable number.

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, 25201 + ... + 25260.

It is an arithmetic number, because the mean of its divisors is an integer number (227079).

2^1513830 is an apocalyptic number.

1513830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1513830 is an abundant number, since it is smaller than the sum of its proper divisors (2119434).

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

1513830 is a wasteful number, since it uses less digits than its factorization.

1513830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50471.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1513830 is about 1230.3779907004. The cubic root of 1513830 is about 114.8221573778.

Adding to 1513830 its reverse (383151), we get a palindrome (1896981).

The spelling of 1513830 in words is "one million, five hundred thirteen thousand, eight hundred thirty".