11764399 has 4 divisors (see below), whose sum is σ = 11957320. Its totient is φ = 11571480.

The previous prime is 11764393. The next prime is 11764411. The reversal of 11764399 is 99346711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11764399 - 2⁷ = 11764271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11764393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96369 + ... + 96490.

It is an arithmetic number, because the mean of its divisors is an integer number (2989330).

Almost surely, 2^11764399 is an apocalyptic number.

11764399 is a deficient number, since it is larger than the sum of its proper divisors (192921).

11764399 is an equidigital number, since it uses as much as digits as its factorization.

11764399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192920.

The product of its digits is 40824, while the sum is 40.

The square root of 11764399 is about 3429.9269671525. The cubic root of 11764399 is about 227.4346243741.

It can be divided in two parts, 117 and 64399, that added together give a square (64516 = 254²).

The spelling of 11764399 in words is "eleven million, seven hundred sixty-four thousand, three hundred ninety-nine".