11906905 has 8 divisors (see below), whose sum is σ = 14501952. Its totient is φ = 9383088.

The previous prime is 11906897. The next prime is 11906911. The reversal of 11906905 is 50960911.

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 11906905 - 2³ = 11906897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17437 + ... + 18106.

It is an arithmetic number, because the mean of its divisors is an integer number (1812744).

Almost surely, 2^11906905 is an apocalyptic number.

It is an amenable number.

11906905 is a deficient number, since it is larger than the sum of its proper divisors (2595047).

11906905 is an equidigital number, since it uses as much as digits as its factorization.

11906905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35615.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 11906905 is about 3450.6383467411. The cubic root of 11906905 is about 228.3492710325.

The spelling of 11906905 in words is "eleven million, nine hundred six thousand, nine hundred five".