12812455 has 16 divisors (see below), whose sum is σ = 16017408. Its totient is φ = 9828000.

The previous prime is 12812419. The next prime is 12812473. The reversal of 12812455 is 55421821.

12812455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12812455 - 2¹¹ = 12810407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19990 + ... + 20620.

It is an arithmetic number, because the mean of its divisors is an integer number (1001088).

Almost surely, 2^12812455 is an apocalyptic number.

12812455 is a deficient number, since it is larger than the sum of its proper divisors (3204953).

12812455 is a wasteful number, since it uses less digits than its factorization.

12812455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 3200, while the sum is 28.

The square root of 12812455 is about 3579.4489799409. The cubic root of 12812455 is about 233.9972666299.

The spelling of 12812455 in words is "twelve million, eight hundred twelve thousand, four hundred fifty-five".