11905667 has 4 divisors (see below), whose sum is σ = 12021360. Its totient is φ = 11789976.

The previous prime is 11905657. The next prime is 11905679. The reversal of 11905667 is 76650911.

11905667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11905667 - 2¹⁶ = 11840131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11905657) 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, 57692 + ... + 57897.

It is an arithmetic number, because the mean of its divisors is an integer number (3005340).

Almost surely, 2^11905667 is an apocalyptic number.

11905667 is a deficient number, since it is larger than the sum of its proper divisors (115693).

11905667 is a wasteful number, since it uses less digits than its factorization.

11905667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115692.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 11905667 is about 3450.4589549798. The cubic root of 11905667 is about 228.3413566837.

The spelling of 11905667 in words is "eleven million, nine hundred five thousand, six hundred sixty-seven".