12963375 has 64 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 6573600.

The previous prime is 12963343. The next prime is 12963407. The reversal of 12963375 is 57336921.

12963375 is a `hidden beast` number, since 12 + 9 + 633 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (12963343) and next prime (12963407).

It is not a de Polignac number, because 12963375 - 2⁵ = 12963343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77542 + ... + 77708.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

Almost surely, 2^12963375 is an apocalyptic number.

12963375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12963375 is a deficient number, since it is larger than the sum of its proper divisors (12196305).

12963375 is a wasteful number, since it uses less digits than its factorization.

12963375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 198 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 12963375 is about 3600.4687194864. The cubic root of 12963375 is about 234.9124466361.

It can be divided in two parts, 129 and 63375, that added together give a square (63504 = 252²).

The spelling of 12963375 in words is "twelve million, nine hundred sixty-three thousand, three hundred seventy-five".