11712078 has 60 divisors (see below), whose sum is σ = 29713008. Its totient is φ = 3333960.

The previous prime is 11712073. The next prime is 11712097. The reversal of 11712078 is 87021711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712073) 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 29 ways as a sum of consecutive naturals, for example, 43083 + ... + 43353.

Almost surely, 2^11712078 is an apocalyptic number.

11712078 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 11712078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14856504).

11712078 is an abundant number, since it is smaller than the sum of its proper divisors (18000930).

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

11712078 is an equidigital number, since it uses as much as digits as its factorization.

11712078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 11712078 is about 3422.2913376859. The cubic root of 11712078 is about 227.0969589744.

Adding to 11712078 its reverse (87021711), we get a palindrome (98733789).

It can be divided in two parts, 1171207 and 8, that added together give a triangular number (1171215 = T₁₅₃₀).

The spelling of 11712078 in words is "eleven million, seven hundred twelve thousand, seventy-eight".