12855470 has 8 divisors (see below), whose sum is σ = 23139864. Its totient is φ = 5142184.

The previous prime is 12855463. The next prime is 12855481. The reversal of 12855470 is 7455821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642764 + ... + 642783.

It is an arithmetic number, because the mean of its divisors is an integer number (2892483).

Almost surely, 2^12855470 is an apocalyptic number.

12855470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12855470 is a deficient number, since it is larger than the sum of its proper divisors (10284394).

12855470 is a wasteful number, since it uses less digits than its factorization.

12855470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285554.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 12855470 is about 3585.4525516314. The cubic root of 12855470 is about 234.2588389118.

The spelling of 12855470 in words is "twelve million, eight hundred fifty-five thousand, four hundred seventy".