13312026 has 144 divisors (see below), whose sum is σ = 38342304. Its totient is φ = 3429216.

The previous prime is 13312021. The next prime is 13312031. The reversal of 13312026 is 62021331.

It is an interprime number because it is at equal distance from previous prime (13312021) and next prime (13312031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13312021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 309561 + ... + 309603.

It is an arithmetic number, because the mean of its divisors is an integer number (266266).

Almost surely, 2^13312026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13312026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19171152).

13312026 is an abundant number, since it is smaller than the sum of its proper divisors (25030278).

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

13312026 is a wasteful number, since it uses less digits than its factorization.

13312026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13312026 is about 3648.5649233637. The cubic root of 13312026 is about 236.9998397692. Note that the first 3 decimals are identical.

Adding to 13312026 its reverse (62021331), we get a palindrome (75333357).

The spelling of 13312026 in words is "thirteen million, three hundred twelve thousand, twenty-six".