13390526 has 12 divisors (see below), whose sum is σ = 21337728. Its totient is φ = 6301152.

The previous prime is 13390523. The next prime is 13390549. The reversal of 13390526 is 62509331.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390523) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11006 + ... + 12161.

It is an arithmetic number, because the mean of its divisors is an integer number (1778144).

Almost surely, 2^13390526 is an apocalyptic number.

13390526 is a deficient number, since it is larger than the sum of its proper divisors (7947202).

13390526 is a wasteful number, since it uses less digits than its factorization.

13390526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23203 (or 23186 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 13390526 is about 3659.3067649488. The cubic root of 13390526 is about 237.4647836981.

Adding to 13390526 its reverse (62509331), we get a palindrome (75899857).

The spelling of 13390526 in words is "thirteen million, three hundred ninety thousand, five hundred twenty-six".