12502515 has 16 divisors (see below), whose sum is σ = 20164608. Its totient is φ = 6614496.

The previous prime is 12502507. The next prime is 12502543. The reversal of 12502515 is 51520521.

12502515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12502515 - 2³ = 12502507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12502491 and 12502500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (1260288).

Almost surely, 2^12502515 is an apocalyptic number.

12502515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12502515 is a deficient number, since it is larger than the sum of its proper divisors (7662093).

12502515 is a wasteful number, since it uses less digits than its factorization.

12502515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6698.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 12502515 is about 3535.8895627550. The cubic root of 12502515 is about 232.0950054314.

The spelling of 12502515 in words is "twelve million, five hundred two thousand, five hundred fifteen".