11851393 has 4 divisors (see below), whose sum is σ = 12233728. Its totient is φ = 11469060.

The previous prime is 11851373. The next prime is 11851403. The reversal of 11851393 is 39315811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11851393 - 2⁵ = 11851361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 382303 = 11851393 / (1 + 1 + 8 + 5 + 1 + 3 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11851303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191121 + ... + 191182.

It is an arithmetic number, because the mean of its divisors is an integer number (3058432).

Almost surely, 2^11851393 is an apocalyptic number.

It is an amenable number.

11851393 is a deficient number, since it is larger than the sum of its proper divisors (382335).

11851393 is an equidigital number, since it uses as much as digits as its factorization.

11851393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382334.

The product of its digits is 3240, while the sum is 31.

The square root of 11851393 is about 3442.5852204412. The cubic root of 11851393 is about 227.9938505061.

The spelling of 11851393 in words is "eleven million, eight hundred fifty-one thousand, three hundred ninety-three".