11205939 has 8 divisors (see below), whose sum is σ = 14959872. Its totient is φ = 7461320.

The previous prime is 11205869. The next prime is 11205959. The reversal of 11205939 is 93950211.

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 11205939 - 2¹¹ = 11203891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11205959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282 + ... + 4904.

It is an arithmetic number, because the mean of its divisors is an integer number (1869984).

Almost surely, 2^11205939 is an apocalyptic number.

11205939 is a deficient number, since it is larger than the sum of its proper divisors (3753933).

11205939 is a wasteful number, since it uses less digits than its factorization.

11205939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 11205939 is about 3347.5272963786. The cubic root of 11205939 is about 223.7773284140. Note that the first 3 decimals are identical.

The spelling of 11205939 in words is "eleven million, two hundred five thousand, nine hundred thirty-nine".