11990735 has 4 divisors (see below), whose sum is σ = 14388888. Its totient is φ = 9592584.

The previous prime is 11990723. The next prime is 11990743. The reversal of 11990735 is 53709911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53709911 = 1663 ⋅32297.

It is a cyclic number.

It is not a de Polignac number, because 11990735 - 2²⁰ = 10942159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11990695 and 11990704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199069 + ... + 1199078.

It is an arithmetic number, because the mean of its divisors is an integer number (3597222).

Almost surely, 2^11990735 is an apocalyptic number.

11990735 is a deficient number, since it is larger than the sum of its proper divisors (2398153).

11990735 is an equidigital number, since it uses as much as digits as its factorization.

11990735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398152.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 11990735 is about 3462.7640693527. The cubic root of 11990735 is about 228.8839123543.

The spelling of 11990735 in words is "eleven million, nine hundred ninety thousand, seven hundred thirty-five".