12559216 has 20 divisors (see below), whose sum is σ = 25119424. Its totient is φ = 6076800.

The previous prime is 12559213. The next prime is 12559231. The reversal of 12559216 is 61295521.

12559216 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12559213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12165 + ... + 13156.

Almost surely, 2^12559216 is an apocalyptic number.

12559216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12559216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12559216 is a wasteful number, since it uses less digits than its factorization.

12559216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25360 (or 25354 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 12559216 is about 3543.8984184087. The cubic root of 12559216 is about 232.4453395997.

The spelling of 12559216 in words is "twelve million, five hundred fifty-nine thousand, two hundred sixteen".