11906655 has 8 divisors (see below), whose sum is σ = 19050672. Its totient is φ = 6350208.

The previous prime is 11906633. The next prime is 11906669. The reversal of 11906655 is 55660911.

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

It is not a de Polignac number, because 11906655 - 2⁵ = 11906623 is a prime.

It is a congruent 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, 396874 + ... + 396903.

It is an arithmetic number, because the mean of its divisors is an integer number (2381334).

Almost surely, 2^11906655 is an apocalyptic number.

11906655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11906655 is a deficient number, since it is larger than the sum of its proper divisors (7144017).

11906655 is an equidigital number, since it uses as much as digits as its factorization.

11906655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793785.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 11906655 is about 3450.6021213695. The cubic root of 11906655 is about 228.3476728641.

It can be divided in two parts, 11906 and 655, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11906655 in words is "eleven million, nine hundred six thousand, six hundred fifty-five".