13228037 has 2 divisors, whose sum is σ = 13228038. Its totient is φ = 13228036.

The previous prime is 13228021. The next prime is 13228043. The reversal of 13228037 is 73082231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 6421156 = 2609^2 + 2534^2 .

It is a cyclic number.

It is not a de Polignac number, because 13228037 - 2⁴ = 13228021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13227997 and 13228015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13228067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614018 + 6614019.

It is an arithmetic number, because the mean of its divisors is an integer number (6614019).

Almost surely, 2^13228037 is an apocalyptic number.

It is an amenable number.

13228037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228037 is an equidigital number, since it uses as much as digits as its factorization.

13228037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13228037 is about 3637.0368433658. The cubic root of 13228037 is about 236.5003568300.

The spelling of 13228037 in words is "thirteen million, two hundred twenty-eight thousand, thirty-seven".