12911002 has 16 divisors (see below), whose sum is σ = 21421512. Its totient is φ = 5797440.

The previous prime is 12910993. The next prime is 12911009. The reversal of 12911002 is 20011921.

It can be written as a sum of positive squares in 4 ways, for example, as 12809241 + 101761 = 3579^2 + 319^2 .

It is not an unprimeable number, because it can be changed into a prime (12911009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5749 + ... + 7672.

Almost surely, 2^12911002 is an apocalyptic number.

12911002 is a deficient number, since it is larger than the sum of its proper divisors (8510510).

12911002 is a wasteful number, since it uses less digits than its factorization.

12911002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13473.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 12911002 is about 3593.1882778391. The cubic root of 12911002 is about 234.5956650548.

Adding to 12911002 its reverse (20011921), we get a palindrome (32922923).

The spelling of 12911002 in words is "twelve million, nine hundred eleven thousand, two".