13530826 has 16 divisors (see below), whose sum is σ = 21105504. Its totient is φ = 6500304.

The previous prime is 13530823. The next prime is 13530833. The reversal of 13530826 is 62803531.

It is a junction number, because it is equal to n+sod(n) for n = 13530794 and 13530803.

It is not an unprimeable number, because it can be changed into a prime (13530823) 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, 5041 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (1319094).

Almost surely, 2^13530826 is an apocalyptic number.

13530826 is a deficient number, since it is larger than the sum of its proper divisors (7574678).

13530826 is a wasteful number, since it uses less digits than its factorization.

13530826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13530826 is about 3678.4271095130. The cubic root of 13530826 is about 238.2912541922.

The spelling of 13530826 in words is "thirteen million, five hundred thirty thousand, eight hundred twenty-six".