11915072 has 28 divisors (see below), whose sum is σ = 25464516. Its totient is φ = 5498880.

The previous prime is 11915063. The next prime is 11915077. The reversal of 11915072 is 27051911.

11915072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 11182336 = 856^2 + 3344^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11915077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6329 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (909447).

Almost surely, 2^11915072 is an apocalyptic number.

It is an amenable number.

11915072 is an abundant number, since it is smaller than the sum of its proper divisors (13549444).

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

11915072 is a wasteful number, since it uses less digits than its factorization.

11915072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346 (or 14336 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 11915072 is about 3451.8215481105. The cubic root of 11915072 is about 228.4014676996.

Adding to 11915072 its reverse (27051911), we get a palindrome (38966983).

The spelling of 11915072 in words is "eleven million, nine hundred fifteen thousand, seventy-two".