11919072 has 48 divisors (see below), whose sum is σ = 34134912. Its totient is φ = 3611520.

The previous prime is 11919071. The next prime is 11919079. The reversal of 11919072 is 27091911.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11919071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4588 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (711144).

Almost surely, 2^11919072 is an apocalyptic number.

11919072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11919072 is an abundant number, since it is smaller than the sum of its proper divisors (22215840).

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

11919072 is a wasteful number, since it uses less digits than its factorization.

11919072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311 (or 11303 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 11919072 is about 3452.4009037190. The cubic root of 11919072 is about 228.4270236693.

It can be divided in two parts, 119 and 19072, that added together give a palindrome (19191).

The spelling of 11919072 in words is "eleven million, nine hundred nineteen thousand, seventy-two".