11445678 has 32 divisors (see below), whose sum is σ = 25766400. Its totient is φ = 3765528.

The previous prime is 11445673. The next prime is 11445689. The reversal of 11445678 is 87654411.

It is a happy number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925 + ... + 5607.

It is an arithmetic number, because the mean of its divisors is an integer number (805200).

Almost surely, 2^11445678 is an apocalyptic number.

11445678 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 11445678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12883200).

11445678 is an abundant number, since it is smaller than the sum of its proper divisors (14320722).

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

11445678 is a wasteful number, since it uses less digits than its factorization.

11445678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2767 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 11445678 is about 3383.1461688789. The cubic root of 11445678 is about 225.3619064600.

The spelling of 11445678 in words is "eleven million, four hundred forty-five thousand, six hundred seventy-eight".