13556026 has 16 divisors (see below), whose sum is σ = 22239360. Its totient is φ = 6146080.

The previous prime is 13555999. The next prime is 13556029. The reversal of 13556026 is 62065531.

It is a junction number, because it is equal to n+sod(n) for n = 13555985 and 13556003.

It is not an unprimeable number, because it can be changed into a prime (13556029) 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, 15390 + ... + 16246.

It is an arithmetic number, because the mean of its divisors is an integer number (1389960).

Almost surely, 2^13556026 is an apocalyptic number.

13556026 is a deficient number, since it is larger than the sum of its proper divisors (8683334).

13556026 is a wasteful number, since it uses less digits than its factorization.

13556026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 13556026 is about 3681.8508932329. The cubic root of 13556026 is about 238.4390947740.

It can be divided in two parts, 1355 and 6026, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 13556026 in words is "thirteen million, five hundred fifty-six thousand, twenty-six".