12883515 has 16 divisors (see below), whose sum is σ = 20779008. Its totient is φ = 6816096.

The previous prime is 12883487. The next prime is 12883537. The reversal of 12883515 is 51538821.

It is a happy number.

12883515 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 not a de Polignac number, because 12883515 - 2¹⁴ = 12867131 is a prime.

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, 1477 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (1298688).

Almost surely, 2^12883515 is an apocalyptic number.

12883515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12883515 is a deficient number, since it is larger than the sum of its proper divisors (7895493).

12883515 is a wasteful number, since it uses less digits than its factorization.

12883515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898.

The product of its digits is 9600, while the sum is 33.

The square root of 12883515 is about 3589.3613638083. The cubic root of 12883515 is about 234.4290652163.

The spelling of 12883515 in words is "twelve million, eight hundred eighty-three thousand, five hundred fifteen".