12547020 has 48 divisors (see below), whose sum is σ = 37201248. Its totient is φ = 3148800.

The previous prime is 12547009. The next prime is 12547057. The reversal of 12547020 is 2074521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5131 + ... + 7170.

It is an arithmetic number, because the mean of its divisors is an integer number (775026).

Almost surely, 2^12547020 is an apocalyptic number.

12547020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12547020 is an abundant number, since it is smaller than the sum of its proper divisors (24654228).

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

12547020 is a wasteful number, since it uses less digits than its factorization.

12547020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330 (or 12328 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12547020 is about 3542.1772965226. The cubic root of 12547020 is about 232.3700742461.

The spelling of 12547020 in words is "twelve million, five hundred forty-seven thousand, twenty".