11846778 has 16 divisors (see below), whose sum is σ = 23750496. Its totient is φ = 3939440.

The previous prime is 11846777. The next prime is 11846789. The reversal of 11846778 is 87764811.

It is a happy number.

11846778 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 a super-2 number, since 2×11846778² = 280692297962568, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11846777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (1484406).

Almost surely, 2^11846778 is an apocalyptic number.

11846778 is an abundant number, since it is smaller than the sum of its proper divisors (11903718).

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

11846778 is a wasteful number, since it uses less digits than its factorization.

11846778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749.

The product of its digits is 75264, while the sum is 42.

The square root of 11846778 is about 3441.9148740200. The cubic root of 11846778 is about 227.9642526289.

The spelling of 11846778 in words is "eleven million, eight hundred forty-six thousand, seven hundred seventy-eight".