11799399 has 16 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 7392960.

The previous prime is 11799383. The next prime is 11799401. The reversal of 11799399 is 99399711.

11799399 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11799399 - 2⁴ = 11799383 is a prime.

It is a super-2 number, since 2×11799399² = 278451633522402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11799379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7054 + ... + 8564.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^11799399 is an apocalyptic number.

11799399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11799399 is a deficient number, since it is larger than the sum of its proper divisors (4893081).

11799399 is a wasteful number, since it uses less digits than its factorization.

11799399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its digits is 137781, while the sum is 48.

The square root of 11799399 is about 3435.0253274175. The cubic root of 11799399 is about 227.6599462908.

The spelling of 11799399 in words is "eleven million, seven hundred ninety-nine thousand, three hundred ninety-nine".