12510320 has 40 divisors (see below), whose sum is σ = 29234736. Its totient is φ = 4978688.

The previous prime is 12510299. The next prime is 12510331. The reversal of 12510320 is 2301521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 12510295 and 12510304.

It is a congruent number.

It is an unprimeable number.

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, 28019 + ... + 28461.

Almost surely, 2^12510320 is an apocalyptic number.

12510320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12510320 is an abundant number, since it is smaller than the sum of its proper divisors (16724416).

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

12510320 is a wasteful number, since it uses less digits than its factorization.

12510320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12510320 is about 3536.9930732191. The cubic root of 12510320 is about 232.1432923745.

Adding to 12510320 its reverse (2301521), we get a palindrome (14811841).

The spelling of 12510320 in words is "twelve million, five hundred ten thousand, three hundred twenty".