12948440 has 16 divisors (see below), whose sum is σ = 29134080. Its totient is φ = 5179360.

The previous prime is 12948427. The next prime is 12948473. The reversal of 12948440 is 4484921.

12948440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12948397 and 12948406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161816 + ... + 161895.

It is an arithmetic number, because the mean of its divisors is an integer number (1820880).

Almost surely, 2^12948440 is an apocalyptic number.

12948440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12948440 is an abundant number, since it is smaller than the sum of its proper divisors (16185640).

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

12948440 is a wasteful number, since it uses less digits than its factorization.

12948440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323722 (or 323718 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 12948440 is about 3598.3940862557. The cubic root of 12948440 is about 234.8221983894.

The spelling of 12948440 in words is "twelve million, nine hundred forty-eight thousand, four hundred forty".