12578896 has 20 divisors (see below), whose sum is σ = 26587584. Its totient is φ = 5717600.

The previous prime is 12578887. The next prime is 12578897. The reversal of 12578896 is 69887521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35560 + ... + 35911.

Almost surely, 2^12578896 is an apocalyptic number.

12578896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12578896 is an abundant number, since it is smaller than the sum of its proper divisors (14008688).

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

12578896 is a wasteful number, since it uses less digits than its factorization.

12578896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71490 (or 71484 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 12578896 is about 3546.6739348296. The cubic root of 12578896 is about 232.5666883890.

It can be divided in two parts, 1257 and 8896, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 12578896 in words is "twelve million, five hundred seventy-eight thousand, eight hundred ninety-six".