13156026 has 32 divisors (see below), whose sum is σ = 28549248. Its totient is φ = 4017600.

The previous prime is 13156021. The next prime is 13156027. The reversal of 13156026 is 62065131.

It is a super-2 number, since 2×13156026² = 346162040225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13155987 and 13156005.

It is not an unprimeable number, because it can be changed into a prime (13156021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11220 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (892164).

Almost surely, 2^13156026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13156026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14274624).

13156026 is an abundant number, since it is smaller than the sum of its proper divisors (15393222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13156026 is a wasteful number, since it uses less digits than its factorization.

13156026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13156026 is about 3627.1236538061. The cubic root of 13156026 is about 236.0704209076.

The spelling of 13156026 in words is "thirteen million, one hundred fifty-six thousand, twenty-six".