11872478 has 8 divisors (see below), whose sum is σ = 18059760. Its totient is φ = 5852560.

The previous prime is 11872459. The next prime is 11872517. The reversal of 11872478 is 87427811.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41663 + ... + 41946.

It is an arithmetic number, because the mean of its divisors is an integer number (2257470).

Almost surely, 2^11872478 is an apocalyptic number.

11872478 is a deficient number, since it is larger than the sum of its proper divisors (6187282).

11872478 is an equidigital number, since it uses as much as digits as its factorization.

11872478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83682.

The product of its digits is 25088, while the sum is 38.

The square root of 11872478 is about 3445.6462383710. The cubic root of 11872478 is about 228.1289795515.

The spelling of 11872478 in words is "eleven million, eight hundred seventy-two thousand, four hundred seventy-eight".