12948740 has 72 divisors (see below), whose sum is σ = 32242392. Its totient is φ = 4354560.

The previous prime is 12948739. The next prime is 12948757. The reversal of 12948740 is 4784921.

It can be written as a sum of positive squares in 4 ways, for example, as 3136 + 12945604 = 56^2 + 3598^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12948740.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71450 + ... + 71630.

It is an arithmetic number, because the mean of its divisors is an integer number (447811).

Almost surely, 2^12948740 is an apocalyptic number.

12948740 is a gapful number since it is divisible by the number (10) 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 12948740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16121196).

12948740 is an abundant number, since it is smaller than the sum of its proper divisors (19293652).

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

12948740 is a wasteful number, since it uses less digits than its factorization.

12948740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12948740 is about 3598.4357712762. The cubic root of 12948740 is about 234.8240118927.

The spelling of 12948740 in words is "twelve million, nine hundred forty-eight thousand, seven hundred forty".