11973678 has 16 divisors (see below), whose sum is σ = 25356240. Its totient is φ = 3756416.

The previous prime is 11973677. The next prime is 11973683. The reversal of 11973678 is 87637911.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11973677) 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 in 7 ways as a sum of consecutive naturals, for example, 58593 + ... + 58796.

It is an arithmetic number, because the mean of its divisors is an integer number (1584765).

Almost surely, 2^11973678 is an apocalyptic number.

11973678 is an abundant number, since it is smaller than the sum of its proper divisors (13382562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11973678 is a wasteful number, since it uses less digits than its factorization.

11973678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117411.

The product of its digits is 63504, while the sum is 42.

The square root of 11973678 is about 3460.3002759876. The cubic root of 11973678 is about 228.7753305880.

The spelling of 11973678 in words is "eleven million, nine hundred seventy-three thousand, six hundred seventy-eight".