11943378 has 48 divisors (see below), whose sum is σ = 27031680. Its totient is φ = 3807648.

The previous prime is 11943377. The next prime is 11943397. The reversal of 11943378 is 87334911.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11943377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52501 + ... + 52727.

It is an arithmetic number, because the mean of its divisors is an integer number (563160).

Almost surely, 2^11943378 is an apocalyptic number.

11943378 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 11943378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13515840).

11943378 is an abundant number, since it is smaller than the sum of its proper divisors (15088302).

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

11943378 is a wasteful number, since it uses less digits than its factorization.

11943378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 348 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 11943378 is about 3455.9192698904. The cubic root of 11943378 is about 228.5821917179.

It can be divided in two parts, 11943 and 378, that added together give a palindrome (12321).

The spelling of 11943378 in words is "eleven million, nine hundred forty-three thousand, three hundred seventy-eight".