12851478 has 24 divisors (see below), whose sum is σ = 28012608. Its totient is φ = 4258032.

The previous prime is 12851417. The next prime is 12851479. The reversal of 12851478 is 87415821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12851479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1051 + ... + 5177.

It is an arithmetic number, because the mean of its divisors is an integer number (1167192).

Almost surely, 2^12851478 is an apocalyptic number.

12851478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12851478 is an abundant number, since it is smaller than the sum of its proper divisors (15161130).

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

12851478 is a wasteful number, since it uses less digits than its factorization.

12851478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 4305 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 12851478 is about 3584.8958143857. The cubic root of 12851478 is about 234.2345883243.

The spelling of 12851478 in words is "twelve million, eight hundred fifty-one thousand, four hundred seventy-eight".