11912393 has 8 divisors (see below), whose sum is σ = 12680712. Its totient is φ = 11151616.

The previous prime is 11912377. The next prime is 11912431. The reversal of 11912393 is 39321911.

11912393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4338889 + 7573504 = 2083^2 + 2752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11912393 - 2⁴ = 11912377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11912353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (1585089).

Almost surely, 2^11912393 is an apocalyptic number.

It is an amenable number.

11912393 is a deficient number, since it is larger than the sum of its proper divisors (768319).

11912393 is a wasteful number, since it uses less digits than its factorization.

11912393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its digits is 1458, while the sum is 29.

The square root of 11912393 is about 3451.4334703135. The cubic root of 11912393 is about 228.3843483907.

The spelling of 11912393 in words is "eleven million, nine hundred twelve thousand, three hundred ninety-three".