12513984 has 56 divisors (see below), whose sum is σ = 37843968. Its totient is φ = 3575040.

The previous prime is 12513983. The next prime is 12514003. The reversal of 12513984 is 48931521.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (12513983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3312 + ... + 5999.

Almost surely, 2^12513984 is an apocalyptic number.

12513984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12513984 is an abundant number, since it is smaller than the sum of its proper divisors (25329984).

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

12513984 is an equidigital number, since it uses as much as digits as its factorization.

12513984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333 (or 9323 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 12513984 is about 3537.5109893822. The cubic root of 12513984 is about 232.1659533989.

The spelling of 12513984 in words is "twelve million, five hundred thirteen thousand, nine hundred eighty-four".