12567840 has 48 divisors (see below), whose sum is σ = 39590208. Its totient is φ = 3351296.

The previous prime is 12567833. The next prime is 12567851. The reversal of 12567840 is 4876521.

12567840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12612 + ... + 13571.

It is an arithmetic number, because the mean of its divisors is an integer number (824796).

Almost surely, 2^12567840 is an apocalyptic number.

12567840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12567840 is an abundant number, since it is smaller than the sum of its proper divisors (27022368).

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

12567840 is a wasteful number, since it uses less digits than its factorization.

12567840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26201 (or 26193 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 12567840 is about 3545.1149487711. The cubic root of 12567840 is about 232.4985316129.

The spelling of 12567840 in words is "twelve million, five hundred sixty-seven thousand, eight hundred forty".