12863015 has 16 divisors (see below), whose sum is σ = 16920576. Its totient is φ = 9309600.

The previous prime is 12862963. The next prime is 12863023. The reversal of 12863015 is 51036821.

It is not a de Polignac number, because 12863015 - 2⁶ = 12862951 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 14474 + ... + 15336.

It is an arithmetic number, because the mean of its divisors is an integer number (1057536).

Almost surely, 2^12863015 is an apocalyptic number.

12863015 is a deficient number, since it is larger than the sum of its proper divisors (4057561).

12863015 is a wasteful number, since it uses less digits than its factorization.

12863015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12863015 is about 3586.5045657297. The cubic root of 12863015 is about 234.3046595434.

Adding to 12863015 its reverse (51036821), we get a palindrome (63899836).

The spelling of 12863015 in words is "twelve million, eight hundred sixty-three thousand, fifteen".