13045730 has 16 divisors (see below), whose sum is σ = 24240384. Its totient is φ = 5049840.

The previous prime is 13045729. The next prime is 13045751. The reversal of 13045730 is 3754031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13045696 and 13045705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20732 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (1515024).

Almost surely, 2^13045730 is an apocalyptic number.

13045730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13045730 is a deficient number, since it is larger than the sum of its proper divisors (11194654).

13045730 is a wasteful number, since it uses less digits than its factorization.

13045730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42121.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 13045730 is about 3611.8873182867. The cubic root of 13045730 is about 235.4088551806.

Adding to 13045730 its reverse (3754031), we get a palindrome (16799761).

The spelling of 13045730 in words is "thirteen million, forty-five thousand, seven hundred thirty".