12549020 has 24 divisors (see below), whose sum is σ = 28749168. Its totient is φ = 4563200.

The previous prime is 12549013. The next prime is 12549029. The reversal of 12549020 is 2094521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12549029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28301 + ... + 28740.

It is an arithmetic number, because the mean of its divisors is an integer number (1197882).

Almost surely, 2^12549020 is an apocalyptic number.

12549020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12549020 is an abundant number, since it is smaller than the sum of its proper divisors (16200148).

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

12549020 is a wasteful number, since it uses less digits than its factorization.

12549020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57061 (or 57059 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12549020 is about 3542.4595975113. The cubic root of 12549020 is about 232.3824202177.

The spelling of 12549020 in words is "twelve million, five hundred forty-nine thousand, twenty".