13020463 has 4 divisors (see below), whose sum is σ = 13042800. Its totient is φ = 12998128.

The previous prime is 13020439. The next prime is 13020467. The reversal of 13020463 is 36402031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36402031 = 23 ⋅1582697.

It is a cyclic number.

It is not a de Polignac number, because 13020463 - 2⁵ = 13020431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13020463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020467) 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, 10270 + ... + 11467.

It is an arithmetic number, because the mean of its divisors is an integer number (3260700).

Almost surely, 2^13020463 is an apocalyptic number.

13020463 is a deficient number, since it is larger than the sum of its proper divisors (22337).

13020463 is an equidigital number, since it uses as much as digits as its factorization.

13020463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22336.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13020463 is about 3608.3878671784. The cubic root of 13020463 is about 235.2567768183.

Adding to 13020463 its reverse (36402031), we get a palindrome (49422494).

The spelling of 13020463 in words is "thirteen million, twenty thousand, four hundred sixty-three".