13215463 has 8 divisors (see below), whose sum is σ = 13469328. Its totient is φ = 12964224.

The previous prime is 13215457. The next prime is 13215473. The reversal of 13215463 is 36451231.

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

It is a cyclic number.

It is not a de Polignac number, because 13215463 - 2¹⁷ = 13084391 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 (13215473) 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, 11545 + ... + 12637.

It is an arithmetic number, because the mean of its divisors is an integer number (1683666).

Almost surely, 2^13215463 is an apocalyptic number.

13215463 is a deficient number, since it is larger than the sum of its proper divisors (253865).

13215463 is a wasteful number, since it uses less digits than its factorization.

13215463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its digits is 2160, while the sum is 25.

The square root of 13215463 is about 3635.3078274061. The cubic root of 13215463 is about 236.4253974029.

Adding to 13215463 its reverse (36451231), we get a palindrome (49666694).

The spelling of 13215463 in words is "thirteen million, two hundred fifteen thousand, four hundred sixty-three".