12902912 has 80 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 5591040.

The previous prime is 12902891. The next prime is 12902951. The reversal of 12902912 is 21920921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163289 + ... + 163367.

It is an arithmetic number, because the mean of its divisors is an integer number (368280).

Almost surely, 2^12902912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12902912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14731200).

12902912 is an abundant number, since it is smaller than the sum of its proper divisors (16559488).

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

12902912 is an equidigital number, since it uses as much as digits as its factorization.

12902912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12902912 is about 3592.0623602605. The cubic root of 12902912 is about 234.5466558074.

Subtracting 12902912 from its reverse (21920921), we obtain a square (9018009 = 3003²).

The spelling of 12902912 in words is "twelve million, nine hundred two thousand, nine hundred twelve".