12520002 has 16 divisors (see below), whose sum is σ = 27316512. Its totient is φ = 3793920.

The previous prime is 12519989. The next prime is 12520003. The reversal of 12520002 is 20002521.

It is a self number, because there is not a number n which added to its sum of digits gives 12520002.

It is not an unprimeable number, because it can be changed into a prime (12520003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94783 + ... + 94914.

It is an arithmetic number, because the mean of its divisors is an integer number (1707282).

Almost surely, 2^12520002 is an apocalyptic number.

12520002 is an abundant number, since it is smaller than the sum of its proper divisors (14796510).

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

12520002 is a wasteful number, since it uses less digits than its factorization.

12520002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189713.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 12520002 is about 3538.3614852075. The cubic root of 12520002 is about 232.2031637922.

Adding to 12520002 its reverse (20002521), we get a palindrome (32522523).

The spelling of 12520002 in words is "twelve million, five hundred twenty thousand, two".