11734840 has 32 divisors (see below), whose sum is σ = 28435680. Its totient is φ = 4332672.

The previous prime is 11734781. The next prime is 11734843. The reversal of 11734840 is 4843711.

11734840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11734799 and 11734808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11734843) 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, 10764 + ... + 11803.

It is an arithmetic number, because the mean of its divisors is an integer number (888615).

Almost surely, 2^11734840 is an apocalyptic number.

11734840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11734840 is an abundant number, since it is smaller than the sum of its proper divisors (16700840).

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

11734840 is a wasteful number, since it uses less digits than its factorization.

11734840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22591 (or 22587 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 11734840 is about 3425.6152732028. The cubic root of 11734840 is about 227.2439820130.

The spelling of 11734840 in words is "eleven million, seven hundred thirty-four thousand, eight hundred forty".