11878894 has 4 divisors (see below), whose sum is σ = 17818344. Its totient is φ = 5939446.

The previous prime is 11878891. The next prime is 11878927. The reversal of 11878894 is 49887811.

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

It is a super-2 number, since 2×11878894² = 282216245326472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2969722 + ... + 2969725.

It is an arithmetic number, because the mean of its divisors is an integer number (4454586).

Almost surely, 2^11878894 is an apocalyptic number.

11878894 is a deficient number, since it is larger than the sum of its proper divisors (5939450).

11878894 is an equidigital number, since it uses as much as digits as its factorization.

11878894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939449.

The product of its digits is 129024, while the sum is 46.

The square root of 11878894 is about 3446.5771426156. The cubic root of 11878894 is about 228.1700665077.

The spelling of 11878894 in words is "eleven million, eight hundred seventy-eight thousand, eight hundred ninety-four".