13290526 has 24 divisors (see below), whose sum is σ = 21395880. Its totient is φ = 6181056.

The previous prime is 13290523. The next prime is 13290533. The reversal of 13290526 is 62509231.

13290526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13290494 and 13290503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13290523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182026 + ... + 182098.

It is an arithmetic number, because the mean of its divisors is an integer number (891495).

Almost surely, 2^13290526 is an apocalyptic number.

13290526 is a deficient number, since it is larger than the sum of its proper divisors (8105354).

13290526 is an equidigital number, since it uses as much as digits as its factorization.

13290526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13290526 is about 3645.6173688417. The cubic root of 13290526 is about 236.8721797062.

Adding to 13290526 its reverse (62509231), we get a palindrome (75799757).

The spelling of 13290526 in words is "thirteen million, two hundred ninety thousand, five hundred twenty-six".