12563930 has 8 divisors (see below), whose sum is σ = 22615092. Its totient is φ = 5025568.

The previous prime is 12563927. The next prime is 12563933. The reversal of 12563930 is 3936521.

It is an interprime number because it is at equal distance from previous prime (12563927) and next prime (12563933).

It can be written as a sum of positive squares in 2 ways, for example, as 10738729 + 1825201 = 3277^2 + 1351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12563893 and 12563902.

It is not an unprimeable number, because it can be changed into a prime (12563933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628187 + ... + 628206.

Almost surely, 2^12563930 is an apocalyptic number.

12563930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12563930 is a deficient number, since it is larger than the sum of its proper divisors (10051162).

12563930 is a wasteful number, since it uses less digits than its factorization.

12563930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256400.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 12563930 is about 3544.5634427952. The cubic root of 12563930 is about 232.4744181203.

The spelling of 12563930 in words is "twelve million, five hundred sixty-three thousand, nine hundred thirty".