12507020 has 12 divisors (see below), whose sum is σ = 26264784. Its totient is φ = 5002800.

The previous prime is 12506983. The next prime is 12507031. The reversal of 12507020 is 2070521.

It is a self number, because there is not a number n which added to its sum of digits gives 12507020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312656 + ... + 312695.

It is an arithmetic number, because the mean of its divisors is an integer number (2188732).

Almost surely, 2^12507020 is an apocalyptic number.

12507020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12507020 is an abundant number, since it is smaller than the sum of its proper divisors (13757764).

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

12507020 is a wasteful number, since it uses less digits than its factorization.

12507020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625360 (or 625358 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 12507020 is about 3536.5265445066. The cubic root of 12507020 is about 232.1228788217.

Adding to 12507020 its reverse (2070521), we get a palindrome (14577541).

The spelling of 12507020 in words is "twelve million, five hundred seven thousand, twenty".