11879993 has 2 divisors, whose sum is σ = 11879994. Its totient is φ = 11879992.

The previous prime is 11879977. The next prime is 11879999. The reversal of 11879993 is 39997811.

It is a happy number.

11879993 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 2319529 = 3092^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 11879993 - 2⁴ = 11879977 is a prime.

It is a super-2 number, since 2×11879993² = 282268467360098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11879999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939996 + 5939997.

It is an arithmetic number, because the mean of its divisors is an integer number (5939997).

Almost surely, 2^11879993 is an apocalyptic number.

It is an amenable number.

11879993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11879993 is an equidigital number, since it uses as much as digits as its factorization.

11879993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 47.

The square root of 11879993 is about 3446.7365724697. The cubic root of 11879993 is about 228.1771028297.

The spelling of 11879993 in words is "eleven million, eight hundred seventy-nine thousand, nine hundred ninety-three".