11825478 has 48 divisors (see below), whose sum is σ = 29552640. Its totient is φ = 3347568.

The previous prime is 11825461. The next prime is 11825479. The reversal of 11825478 is 87452811.

11825478 is a `hidden beast` number, since 1 + 182 + 5 + 478 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11825479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15633 + ... + 16371.

It is an arithmetic number, because the mean of its divisors is an integer number (615680).

Almost surely, 2^11825478 is an apocalyptic number.

11825478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11825478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14776320).

11825478 is an abundant number, since it is smaller than the sum of its proper divisors (17727162).

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

11825478 is a wasteful number, since it uses less digits than its factorization.

11825478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 878 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 11825478 is about 3438.8192741114. The cubic root of 11825478 is about 227.8275473416.

The spelling of 11825478 in words is "eleven million, eight hundred twenty-five thousand, four hundred seventy-eight".