12645463 has 4 divisors (see below), whose sum is σ = 12660760. Its totient is φ = 12630168.

The previous prime is 12645461. The next prime is 12645487. The reversal of 12645463 is 36454621.

12645463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36454621 = 7 ⋅5207803.

It is a cyclic number.

It is not a de Polignac number, because 12645463 - 2¹ = 12645461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6333 + ... + 8086.

It is an arithmetic number, because the mean of its divisors is an integer number (3165190).

Almost surely, 2^12645463 is an apocalyptic number.

12645463 is a deficient number, since it is larger than the sum of its proper divisors (15297).

12645463 is an equidigital number, since it uses as much as digits as its factorization.

12645463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15296.

The product of its digits is 17280, while the sum is 31.

The square root of 12645463 is about 3556.0459783304. The cubic root of 12645463 is about 232.9762112917.

The spelling of 12645463 in words is "twelve million, six hundred forty-five thousand, four hundred sixty-three".