13026656 has 12 divisors (see below), whose sum is σ = 25646292. Its totient is φ = 6513312.

The previous prime is 13026617. The next prime is 13026659. The reversal of 13026656 is 65662031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13026659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203510 + ... + 203573.

It is an arithmetic number, because the mean of its divisors is an integer number (2137191).

Almost surely, 2^13026656 is an apocalyptic number.

13026656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13026656 is a deficient number, since it is larger than the sum of its proper divisors (12619636).

13026656 is an equidigital number, since it uses as much as digits as its factorization.

13026656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407093 (or 407085 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13026656 is about 3609.2459046177. The cubic root of 13026656 is about 235.2940697647.

Adding to 13026656 its reverse (65662031), we get a palindrome (78688687).

The spelling of 13026656 in words is "thirteen million, twenty-six thousand, six hundred fifty-six".