13730578 has 16 divisors (see below), whose sum is σ = 22007520. Its totient is φ = 6405696.

The previous prime is 13730569. The next prime is 13730579. The reversal of 13730578 is 87503731.

It is not an unprimeable number, because it can be changed into a prime (13730579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (1375470).

Almost surely, 2^13730578 is an apocalyptic number.

13730578 is a deficient number, since it is larger than the sum of its proper divisors (8276942).

13730578 is a wasteful number, since it uses less digits than its factorization.

13730578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 13730578 is about 3705.4794561568. The cubic root of 13730578 is about 239.4581409666.

The spelling of 13730578 in words is "thirteen million, seven hundred thirty thousand, five hundred seventy-eight".