11028397 has 2 divisors, whose sum is σ = 11028398. Its totient is φ = 11028396.

The previous prime is 11028389. The next prime is 11028419. The reversal of 11028397 is 79382011.

11028397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7241481 + 3786916 = 2691^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 11028397 - 2³ = 11028389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11028307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5514198 + 5514199.

It is an arithmetic number, because the mean of its divisors is an integer number (5514199).

Almost surely, 2^11028397 is an apocalyptic number.

It is an amenable number.

11028397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11028397 is an equidigital number, since it uses as much as digits as its factorization.

11028397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11028397 is about 3320.9030398372. The cubic root of 11028397 is about 222.5892214665.

The spelling of 11028397 in words is "eleven million, twenty-eight thousand, three hundred ninety-seven".