12905002 has 16 divisors (see below), whose sum is σ = 21181824. Its totient is φ = 5848000.

The previous prime is 12904993. The next prime is 12905003. The reversal of 12905002 is 20050921.

It is not an unprimeable number, because it can be changed into a prime (12905003) 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, 8802 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (1323864).

Almost surely, 2^12905002 is an apocalyptic number.

12905002 is a deficient number, since it is larger than the sum of its proper divisors (8276822).

12905002 is a wasteful number, since it uses less digits than its factorization.

12905002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12905002 is about 3592.3532677063. The cubic root of 12905002 is about 234.5593189966.

Adding to 12905002 its reverse (20050921), we get a palindrome (32955923).

The spelling of 12905002 in words is "twelve million, nine hundred five thousand, two".