13436463 has 4 divisors (see below), whose sum is σ = 17915288. Its totient is φ = 8957640.

The previous prime is 13436461. The next prime is 13436497. The reversal of 13436463 is 36463431.

13436463 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: 36463431 = 3 ⋅12154477.

It is not a de Polignac number, because 13436463 - 2¹ = 13436461 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 13436463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13436461) 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, 2239408 + ... + 2239413.

It is an arithmetic number, because the mean of its divisors is an integer number (4478822).

Almost surely, 2^13436463 is an apocalyptic number.

13436463 is a deficient number, since it is larger than the sum of its proper divisors (4478825).

13436463 is an equidigital number, since it uses as much as digits as its factorization.

13436463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478824.

The product of its digits is 15552, while the sum is 30.

The square root of 13436463 is about 3665.5781262988. The cubic root of 13436463 is about 237.7360194831.

Adding to 13436463 its reverse (36463431), we get a palindrome (49899894).

The spelling of 13436463 in words is "thirteen million, four hundred thirty-six thousand, four hundred sixty-three".