12563115 has 16 divisors (see below), whose sum is σ = 20217600. Its totient is φ = 6661472.

The previous prime is 12563113. The next prime is 12563137. The reversal of 12563115 is 51136521.

It is a cyclic number.

It is not a de Polignac number, because 12563115 - 2¹ = 12563113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12563113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^12563115 is an apocalyptic number.

12563115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12563115 is a deficient number, since it is larger than the sum of its proper divisors (7654485).

12563115 is a wasteful number, since it uses less digits than its factorization.

12563115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866.

The product of its digits is 900, while the sum is 24.

The square root of 12563115 is about 3544.4484761384. The cubic root of 12563115 is about 232.4693912763.

Adding to 12563115 its reverse (51136521), we get a palindrome (63699636).

It can be divided in two parts, 1256 and 3115, that added together give a triangular number (4371 = T₉₃).

The spelling of 12563115 in words is "twelve million, five hundred sixty-three thousand, one hundred fifteen".