12549408 has 48 divisors (see below), whose sum is σ = 33497856. Its totient is φ = 4112640.

The previous prime is 12549391. The next prime is 12549413. The reversal of 12549408 is 80494521.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4785 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (697872).

Almost surely, 2^12549408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12549408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16748928).

12549408 is an abundant number, since it is smaller than the sum of its proper divisors (20948448).

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

12549408 is a wasteful number, since it uses less digits than its factorization.

12549408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12549408 is about 3542.5143612976. The cubic root of 12549408 is about 232.3848151843.

The spelling of 12549408 in words is "twelve million, five hundred forty-nine thousand, four hundred eight".