13022028 has 18 divisors (see below), whose sum is σ = 32916884. Its totient is φ = 4340664.

The previous prime is 13022027. The next prime is 13022029. The reversal of 13022028 is 82022031.

It is a happy number.

13022028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13022027) and next prime (13022029).

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a self number, because there is not a number n which added to its sum of digits gives 13022028.

It is not an unprimeable number, because it can be changed into a prime (13022027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180826 + ... + 180897.

Almost surely, 2^13022028 is an apocalyptic number.

13022028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13022028 is an abundant number, since it is smaller than the sum of its proper divisors (19894856).

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

13022028 is a wasteful number, since it uses less digits than its factorization.

13022028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361733 (or 361728 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13022028 is about 3608.6047165075. The cubic root of 13022028 is about 235.2662020362.

Adding to 13022028 its reverse (82022031), we get a palindrome (95044059).

The spelling of 13022028 in words is "thirteen million, twenty-two thousand, twenty-eight".