12948816 has 80 divisors (see below), whose sum is σ = 35961984. Its totient is φ = 4004352.

The previous prime is 12948809. The next prime is 12948827. The reversal of 12948816 is 61884921.

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, 40690 + ... + 41006.

Almost surely, 2^12948816 is an apocalyptic number.

12948816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12948816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17980992).

12948816 is an abundant number, since it is smaller than the sum of its proper divisors (23013168).

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

12948816 is a wasteful number, since it uses less digits than its factorization.

12948816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 382 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 12948816 is about 3598.4463314047. The cubic root of 12948816 is about 234.8244713091.

The spelling of 12948816 in words is "twelve million, nine hundred forty-eight thousand, eight hundred sixteen".