12878463 has 8 divisors (see below), whose sum is σ = 18492208. Its totient is φ = 7925184.

The previous prime is 12878431. The next prime is 12878483. The reversal of 12878463 is 36487821.

12878463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12878463 - 2⁵ = 12878431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 330217 = 12878463 / (1 + 2 + 8 + 7 + 8 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12878483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165070 + ... + 165147.

It is an arithmetic number, because the mean of its divisors is an integer number (2311526).

Almost surely, 2^12878463 is an apocalyptic number.

12878463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12878463 is a deficient number, since it is larger than the sum of its proper divisors (5613745).

12878463 is a wasteful number, since it uses less digits than its factorization.

12878463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330233.

The product of its digits is 64512, while the sum is 39.

The square root of 12878463 is about 3588.6575484434. The cubic root of 12878463 is about 234.3984190643.

It can be divided in two parts, 12 and 878463, that added together give a triangular number (878475 = T₁₃₂₅).

The spelling of 12878463 in words is "twelve million, eight hundred seventy-eight thousand, four hundred sixty-three".