11896855 has 16 divisors (see below), whose sum is σ = 15348960. Its totient is φ = 8819712.

The previous prime is 11896849. The next prime is 11896861. The reversal of 11896855 is 55869811.

It is an interprime number because it is at equal distance from previous prime (11896849) and next prime (11896861).

It is a cyclic number.

It is not a de Polignac number, because 11896855 - 2⁵ = 11896823 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4651 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (959310).

Almost surely, 2^11896855 is an apocalyptic number.

11896855 is a deficient number, since it is larger than the sum of its proper divisors (3452105).

11896855 is a wasteful number, since it uses less digits than its factorization.

11896855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its digits is 86400, while the sum is 43.

The square root of 11896855 is about 3449.1817870330. The cubic root of 11896855 is about 228.2850070291.

The spelling of 11896855 in words is "eleven million, eight hundred ninety-six thousand, eight hundred fifty-five".