11718774 has 12 divisors (see below), whose sum is σ = 25390716. Its totient is φ = 3906252.

The previous prime is 11718761. The next prime is 11718787. The reversal of 11718774 is 47781711.

It is a happy number.

11718774 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 an interprime number because it is at equal distance from previous prime (11718761) and next prime (11718787).

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325504 + ... + 325539.

It is an arithmetic number, because the mean of its divisors is an integer number (2115893).

Almost surely, 2^11718774 is an apocalyptic number.

11718774 is an abundant number, since it is smaller than the sum of its proper divisors (13671942).

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

11718774 is a wasteful number, since it uses less digits than its factorization.

11718774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651051 (or 651048 counting only the distinct ones).

The product of its digits is 10976, while the sum is 36.

The square root of 11718774 is about 3423.2694898299. The cubic root of 11718774 is about 227.1402291649.

The spelling of 11718774 in words is "eleven million, seven hundred eighteen thousand, seven hundred seventy-four".