12406860 has 36 divisors (see below), whose sum is σ = 37634688. Its totient is φ = 3308448.

The previous prime is 12406847. The next prime is 12406883. The reversal of 12406860 is 6860421.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34284 + ... + 34643.

It is an arithmetic number, because the mean of its divisors is an integer number (1045408).

Almost surely, 2^12406860 is an apocalyptic number.

12406860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12406860 is an abundant number, since it is smaller than the sum of its proper divisors (25227828).

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

12406860 is a wasteful number, since it uses less digits than its factorization.

12406860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68942 (or 68937 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12406860 is about 3522.3372921968. The cubic root of 12406860 is about 231.5015805971.

It can be divided in two parts, 1240 and 6860, that added together give a square (8100 = 90²).

The spelling of 12406860 in words is "twelve million, four hundred six thousand, eight hundred sixty".