11672840 has 32 divisors (see below), whose sum is σ = 27648000. Its totient is φ = 4423104.

The previous prime is 11672839. The next prime is 11672849. The reversal of 11672840 is 4827611.

It is not an unprimeable number, because it can be changed into a prime (11672849) 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, 6920 + ... + 8439.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^11672840 is an apocalyptic number.

11672840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11672840 is an abundant number, since it is smaller than the sum of its proper divisors (15975160).

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

11672840 is a wasteful number, since it uses less digits than its factorization.

11672840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15389 (or 15385 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 11672840 is about 3416.5538192746. The cubic root of 11672840 is about 226.8430672195.

The spelling of 11672840 in words is "eleven million, six hundred seventy-two thousand, eight hundred forty".