11939193 has 18 divisors (see below), whose sum is σ = 20061834. Its totient is φ = 6822144.

The previous prime is 11939183. The next prime is 11939203. The reversal of 11939193 is 39193911.

It is an interprime number because it is at equal distance from previous prime (11939183) and next prime (11939203).

It can be written as a sum of positive squares in only one way, i.e., 10188864 + 1750329 = 3192^2 + 1323^2 .

It is not a de Polignac number, because 11939193 - 2⁴ = 11939177 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11939113) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13096 + ... + 13977.

Almost surely, 2^11939193 is an apocalyptic number.

It is an amenable number.

11939193 is a deficient number, since it is larger than the sum of its proper divisors (8122641).

11939193 is a wasteful number, since it uses less digits than its factorization.

11939193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27093 (or 27083 counting only the distinct ones).

The product of its digits is 6561, while the sum is 36.

The square root of 11939193 is about 3455.3137339466. The cubic root of 11939193 is about 228.5554899414. Note that the first 3 decimals are identical.

The spelling of 11939193 in words is "eleven million, nine hundred thirty-nine thousand, one hundred ninety-three".