13130746 has 8 divisors (see below), whose sum is σ = 20552544. Its totient is φ = 6279900.

The previous prime is 13130743. The next prime is 13130759. The reversal of 13130746 is 64703131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13130746.

It is not an unprimeable number, because it can be changed into a prime (13130743) 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, 142680 + ... + 142771.

It is an arithmetic number, because the mean of its divisors is an integer number (2569068).

Almost surely, 2^13130746 is an apocalyptic number.

13130746 is a deficient number, since it is larger than the sum of its proper divisors (7421798).

13130746 is a wasteful number, since it uses less digits than its factorization.

13130746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285476.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13130746 is about 3623.6371231126. The cubic root of 13130746 is about 235.9191166853.

Adding to 13130746 its reverse (64703131), we get a palindrome (77833877).

The spelling of 13130746 in words is "thirteen million, one hundred thirty thousand, seven hundred forty-six".