11990435 has 4 divisors (see below), whose sum is σ = 14388528. Its totient is φ = 9592344.

The previous prime is 11990431. The next prime is 11990437. The reversal of 11990435 is 53409911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53409911 = 101 ⋅528811.

It is a cyclic number.

It is not a de Polignac number, because 11990435 - 2² = 11990431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11990431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199039 + ... + 1199048.

It is an arithmetic number, because the mean of its divisors is an integer number (3597132).

Almost surely, 2^11990435 is an apocalyptic number.

11990435 is a deficient number, since it is larger than the sum of its proper divisors (2398093).

11990435 is an equidigital number, since it uses as much as digits as its factorization.

11990435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398092.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 11990435 is about 3462.7207510858. The cubic root of 11990435 is about 228.8820034987.

The spelling of 11990435 in words is "eleven million, nine hundred ninety thousand, four hundred thirty-five".