11960399 has 4 divisors (see below), whose sum is σ = 13047720. Its totient is φ = 10873080.

The previous prime is 11960381. The next prime is 11960411. The reversal of 11960399 is 99306911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11960399 is a prime.

It is a super-2 number, since 2×11960399² = 286102288478402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11960309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543644 + ... + 543665.

It is an arithmetic number, because the mean of its divisors is an integer number (3261930).

Almost surely, 2^11960399 is an apocalyptic number.

11960399 is a deficient number, since it is larger than the sum of its proper divisors (1087321).

11960399 is a wasteful number, since it uses less digits than its factorization.

11960399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087320.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 11960399 is about 3458.3809795915. The cubic root of 11960399 is about 228.6907274739.

The spelling of 11960399 in words is "eleven million, nine hundred sixty thousand, three hundred ninety-nine".