11397893 has 4 divisors (see below), whose sum is σ = 12274668. Its totient is φ = 10521120.

The previous prime is 11397833. The next prime is 11397907. The reversal of 11397893 is 39879311.

11397893 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6723649 + 4674244 = 2593^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 11397893 - 2¹² = 11393797 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 11397893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438368 + ... + 438393.

It is an arithmetic number, because the mean of its divisors is an integer number (3068667).

Almost surely, 2^11397893 is an apocalyptic number.

11397893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11397893 is a deficient number, since it is larger than the sum of its proper divisors (876775).

11397893 is an equidigital number, since it uses as much as digits as its factorization.

11397893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876774.

The product of its digits is 40824, while the sum is 41.

The square root of 11397893 is about 3376.0765690369. The cubic root of 11397893 is about 225.0478449694.

The spelling of 11397893 in words is "eleven million, three hundred ninety-seven thousand, eight hundred ninety-three".