11899894 has 8 divisors (see below), whose sum is σ = 17866800. Its totient is φ = 5944296.

The previous prime is 11899879. The next prime is 11899897. The reversal of 11899894 is 49899811.

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

It is a super-2 number, since 2×11899894² = 283214954422472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899897) 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, 672 + ... + 4924.

It is an arithmetic number, because the mean of its divisors is an integer number (2233350).

Almost surely, 2^11899894 is an apocalyptic number.

11899894 is a deficient number, since it is larger than the sum of its proper divisors (5966906).

11899894 is a wasteful number, since it uses less digits than its factorization.

11899894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654.

The product of its digits is 186624, while the sum is 49.

The square root of 11899894 is about 3449.6222981654. The cubic root of 11899894 is about 228.3044435125.

The spelling of 11899894 in words is "eleven million, eight hundred ninety-nine thousand, eight hundred ninety-four".