12540480 has 56 divisors (see below), whose sum is σ = 39819072. Its totient is φ = 3343872.

The previous prime is 12540469. The next prime is 12540491. The reversal of 12540480 is 8404521.

12540480 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12540469) and next prime (12540491).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12540480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5572 + ... + 7491.

Almost surely, 2^12540480 is an apocalyptic number.

12540480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12540480 is an abundant number, since it is smaller than the sum of its proper divisors (27278592).

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

12540480 is a wasteful number, since it uses less digits than its factorization.

12540480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13083 (or 13073 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12540480 is about 3541.2540151760. The cubic root of 12540480 is about 232.3296937573.

The spelling of 12540480 in words is "twelve million, five hundred forty thousand, four hundred eighty".