11997235 has 8 divisors (see below), whose sum is σ = 14570640. Its totient is φ = 9481824.

The previous prime is 11997233. The next prime is 11997247. The reversal of 11997235 is 53279911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11997235 - 2¹ = 11997233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11997194 and 11997203.

It is not an unprimeable number, because it can be changed into a prime (11997233) 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 7 ways as a sum of consecutive naturals, for example, 14040 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (1821330).

Almost surely, 2^11997235 is an apocalyptic number.

11997235 is a deficient number, since it is larger than the sum of its proper divisors (2573405).

11997235 is an equidigital number, since it uses as much as digits as its factorization.

11997235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28997.

The product of its digits is 17010, while the sum is 37.

The square root of 11997235 is about 3463.7024987721. The cubic root of 11997235 is about 228.9252630773.

The spelling of 11997235 in words is "eleven million, nine hundred ninety-seven thousand, two hundred thirty-five".