12910072 has 64 divisors (see below), whose sum is σ = 29859840. Its totient is φ = 5107200.

The previous prime is 12910067. The next prime is 12910087. The reversal of 12910072 is 27001921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67497 + ... + 67687.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^12910072 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 12910072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14929920).

12910072 is an abundant number, since it is smaller than the sum of its proper divisors (16949768).

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

12910072 is a wasteful number, since it uses less digits than its factorization.

12910072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 12910072 is about 3593.0588639765. The cubic root of 12910072 is about 234.5900321533.

Adding to 12910072 its reverse (27001921), we get a palindrome (39911993).

It can be divided in two parts, 129 and 10072, that added together give a palindrome (10201).

The spelling of 12910072 in words is "twelve million, nine hundred ten thousand, seventy-two".