13213026 has 12 divisors (see below), whose sum is σ = 28628262. Its totient is φ = 4404336.

The previous prime is 13213001. The next prime is 13213043. The reversal of 13213026 is 62031231.

13213026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12215025 + 998001 = 3495^2 + 999^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 734057 = 13213026 / (1 + 3 + 2 + 1 + 3 + 0 + 2 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367011 + ... + 367046.

Almost surely, 2^13213026 is an apocalyptic number.

13213026 is an abundant number, since it is smaller than the sum of its proper divisors (15415236).

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

13213026 is a wasteful number, since it uses less digits than its factorization.

13213026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734065 (or 734062 counting only the distinct ones).

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

The square root of 13213026 is about 3634.9726271321. The cubic root of 13213026 is about 236.4108638192.

Adding to 13213026 its reverse (62031231), we get a palindrome (75244257).

The spelling of 13213026 in words is "thirteen million, two hundred thirteen thousand, twenty-six".