11778342 has 8 divisors (see below), whose sum is σ = 23556696. Its totient is φ = 3926112.

The previous prime is 11778313. The next prime is 11778353. The reversal of 11778342 is 24387711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11778342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 981523 + ... + 981534.

It is an arithmetic number, because the mean of its divisors is an integer number (2944587).

Almost surely, 2^11778342 is an apocalyptic number.

11778342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11778342 is a wasteful number, since it uses less digits than its factorization.

11778342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963062.

The product of its digits is 9408, while the sum is 33.

The square root of 11778342 is about 3431.9589158380. The cubic root of 11778342 is about 227.5244396721.

The spelling of 11778342 in words is "eleven million, seven hundred seventy-eight thousand, three hundred forty-two".