13045830 has 128 divisors (see below), whose sum is σ = 38873088. Its totient is φ = 2737152.

The previous prime is 13045811. The next prime is 13045841. The reversal of 13045830 is 3854031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13045830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178674 + ... + 178746.

It is an arithmetic number, because the mean of its divisors is an integer number (303696).

Almost surely, 2^13045830 is an apocalyptic number.

13045830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13045830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19436544).

13045830 is an abundant number, since it is smaller than the sum of its proper divisors (25827258).

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

13045830 is a wasteful number, since it uses less digits than its factorization.

13045830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13045830 is about 3611.9011614384. The cubic root of 13045830 is about 235.4094566757.

Adding to 13045830 its reverse (3854031), we get a palindrome (16899861).

The spelling of 13045830 in words is "thirteen million, forty-five thousand, eight hundred thirty".