11819894 has 8 divisors (see below), whose sum is σ = 17749368. Its totient is φ = 5903440.

The previous prime is 11819893. The next prime is 11819903. The reversal of 11819894 is 49891811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11819891) 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, 527 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (2218671).

Almost surely, 2^11819894 is an apocalyptic number.

11819894 is a deficient number, since it is larger than the sum of its proper divisors (5929474).

11819894 is a wasteful number, since it uses less digits than its factorization.

11819894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510.

The product of its digits is 20736, while the sum is 41.

The square root of 11819894 is about 3438.0072716619. The cubic root of 11819894 is about 227.7916815802.

The spelling of 11819894 in words is "eleven million, eight hundred nineteen thousand, eight hundred ninety-four".