12348280 has 32 divisors (see below), whose sum is σ = 31753440. Its totient is φ = 4233600.

The previous prime is 12348251. The next prime is 12348289. The reversal of 12348280 is 8284321.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12348289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21771 + ... + 22330.

It is an arithmetic number, because the mean of its divisors is an integer number (992295).

Almost surely, 2^12348280 is an apocalyptic number.

12348280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12348280 is an abundant number, since it is smaller than the sum of its proper divisors (19405160).

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

12348280 is a wasteful number, since it uses less digits than its factorization.

12348280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44119 (or 44115 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 12348280 is about 3514.0119521709. The cubic root of 12348280 is about 231.1366544609.

The spelling of 12348280 in words is "twelve million, three hundred forty-eight thousand, two hundred eighty".