11778452 has 24 divisors (see below), whose sum is σ = 23649024. Its totient is φ = 5028192.

The previous prime is 11778451. The next prime is 11778457. The reversal of 11778452 is 25487711.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11778451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8213 + ... + 9539.

It is an arithmetic number, because the mean of its divisors is an integer number (985376).

Almost surely, 2^11778452 is an apocalyptic number.

It is an amenable number.

11778452 is an abundant number, since it is smaller than the sum of its proper divisors (11870572).

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

11778452 is a wasteful number, since it uses less digits than its factorization.

11778452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1653 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 11778452 is about 3431.9749416335. The cubic root of 11778452 is about 227.5251479667.

The spelling of 11778452 in words is "eleven million, seven hundred seventy-eight thousand, four hundred fifty-two".