12963445 has 8 divisors (see below), whose sum is σ = 16970400. Its totient is φ = 9427920.

The previous prime is 12963443. The next prime is 12963449. The reversal of 12963445 is 54436921.

It is a happy number.

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

It is not a de Polignac number, because 12963445 - 2¹ = 12963443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12963445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12963443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117795 + ... + 117904.

It is an arithmetic number, because the mean of its divisors is an integer number (2121300).

Almost surely, 2^12963445 is an apocalyptic number.

It is an amenable number.

12963445 is a deficient number, since it is larger than the sum of its proper divisors (4006955).

12963445 is a wasteful number, since it uses less digits than its factorization.

12963445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235715.

The product of its digits is 25920, while the sum is 34.

The square root of 12963445 is about 3600.4784404298. The cubic root of 12963445 is about 234.9128694643.

The spelling of 12963445 in words is "twelve million, nine hundred sixty-three thousand, four hundred forty-five".