11993369 has 4 divisors (see below), whose sum is σ = 12034596. Its totient is φ = 11952144.

The previous prime is 11993357. The next prime is 11993383. The reversal of 11993369 is 96339911.

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 7912969 + 4080400 = 2813^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 11993369 - 2⁴ = 11993353 is a prime.

It is a super-2 number, since 2×11993369² = 287681799940322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11993329) 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, 20174 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (3008649).

Almost surely, 2^11993369 is an apocalyptic number.

It is an amenable number.

11993369 is a deficient number, since it is larger than the sum of its proper divisors (41227).

11993369 is an equidigital number, since it uses as much as digits as its factorization.

11993369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41226.

The product of its digits is 39366, while the sum is 41.

The square root of 11993369 is about 3463.1443804728. The cubic root of 11993369 is about 228.9006707400.

The spelling of 11993369 in words is "eleven million, nine hundred ninety-three thousand, three hundred sixty-nine".