12549240 has 96 divisors (see below), whose sum is σ = 44506800. Its totient is φ = 3041280.

The previous prime is 12549223. The next prime is 12549259. The reversal of 12549240 is 4294521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2376 + ... + 5544.

Almost surely, 2^12549240 is an apocalyptic number.

12549240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12549240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22253400).

12549240 is an abundant number, since it is smaller than the sum of its proper divisors (31957560).

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

12549240 is a wasteful number, since it uses less digits than its factorization.

12549240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12549240 is about 3542.4906492467. The cubic root of 12549240 is about 232.3837781945.

The spelling of 12549240 in words is "twelve million, five hundred forty-nine thousand, two hundred forty".