12899480 has 64 divisors (see below), whose sum is σ = 33350400. Its totient is φ = 4440960.

The previous prime is 12899473. The next prime is 12899483. The reversal of 12899480 is 8499821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7589 + ... + 9131.

It is an arithmetic number, because the mean of its divisors is an integer number (521100).

Almost surely, 2^12899480 is an apocalyptic number.

12899480 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 12899480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16675200).

12899480 is an abundant number, since it is smaller than the sum of its proper divisors (20450920).

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

12899480 is a wasteful number, since it uses less digits than its factorization.

12899480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 12899480 is about 3591.5846084980. The cubic root of 12899480 is about 234.5258585511.

The spelling of 12899480 in words is "twelve million, eight hundred ninety-nine thousand, four hundred eighty".