11026399 has 4 divisors (see below), whose sum is σ = 11039464. Its totient is φ = 11013336.

The previous prime is 11026397. The next prime is 11026423. The reversal of 11026399 is 99362011.

11026399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99362011 = 7 ⋅14194573.

It is a cyclic number.

It is not a de Polignac number, because 11026399 - 2¹ = 11026397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11026399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11026397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5172 + ... + 6985.

It is an arithmetic number, because the mean of its divisors is an integer number (2759866).

Almost surely, 2^11026399 is an apocalyptic number.

11026399 is a deficient number, since it is larger than the sum of its proper divisors (13065).

11026399 is an equidigital number, since it uses as much as digits as its factorization.

11026399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13064.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 11026399 is about 3320.6022044202. The cubic root of 11026399 is about 222.5757785904.

The spelling of 11026399 in words is "eleven million, twenty-six thousand, three hundred ninety-nine".