11853378 has 40 divisors (see below), whose sum is σ = 27965520. Its totient is φ = 3742200.

The previous prime is 11853367. The next prime is 11853383. The reversal of 11853378 is 87335811.

11853378 is a `hidden beast` number, since 118 + 533 + 7 + 8 = 666.

11853378 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1153 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (699138).

Almost surely, 2^11853378 is an apocalyptic number.

11853378 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 11853378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13982760).

11853378 is an abundant number, since it is smaller than the sum of its proper divisors (16112142).

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

11853378 is a wasteful number, since it uses less digits than its factorization.

11853378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3875 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 11853378 is about 3442.8735091490. The cubic root of 11853378 is about 228.0065787575.

The spelling of 11853378 in words is "eleven million, eight hundred fifty-three thousand, three hundred seventy-eight".