11718072 has 24 divisors (see below), whose sum is σ = 31736640. Its totient is φ = 3906000.

The previous prime is 11718071. The next prime is 11718103. The reversal of 11718072 is 27081711.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×11718072² = 274626422794368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718071) 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 5 ways as a sum of consecutive naturals, for example, 81304 + ... + 81447.

It is an arithmetic number, because the mean of its divisors is an integer number (1322360).

Almost surely, 2^11718072 is an apocalyptic number.

11718072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11718072 is an abundant number, since it is smaller than the sum of its proper divisors (20018568).

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

11718072 is a wasteful number, since it uses less digits than its factorization.

11718072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162763 (or 162756 counting only the distinct ones).

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

The square root of 11718072 is about 3423.1669547365. The cubic root of 11718072 is about 227.1356935475.

Adding to 11718072 its reverse (27081711), we get a palindrome (38799783).

The spelling of 11718072 in words is "eleven million, seven hundred eighteen thousand, seventy-two".