12415563 has 12 divisors (see below), whose sum is σ = 17969328. Its totient is φ = 8260560.

The previous prime is 12415553. The next prime is 12415577. The reversal of 12415563 is 36551421.

It is not a de Polignac number, because 12415563 - 2⁶ = 12415499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12415523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4906 + ... + 6992.

It is an arithmetic number, because the mean of its divisors is an integer number (1497444).

Almost surely, 2^12415563 is an apocalyptic number.

12415563 is a deficient number, since it is larger than the sum of its proper divisors (5553765).

12415563 is a wasteful number, since it uses less digits than its factorization.

12415563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2751 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 12415563 is about 3523.5724769047. The cubic root of 12415563 is about 231.5556981671. Note that the first 3 decimals are identical.

Adding to 12415563 its reverse (36551421), we get a palindrome (48966984).

The spelling of 12415563 in words is "twelve million, four hundred fifteen thousand, five hundred sixty-three".