13513463 has 4 divisors (see below), whose sum is σ = 13768488. Its totient is φ = 13258440.

The previous prime is 13513459. The next prime is 13513469. The reversal of 13513463 is 36431531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13513463 - 2² = 13513459 is a prime.

It is a super-2 number, since 2×13513463² = 365227364504738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513469) 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, 127433 + ... + 127538.

It is an arithmetic number, because the mean of its divisors is an integer number (3442122).

Almost surely, 2^13513463 is an apocalyptic number.

13513463 is a deficient number, since it is larger than the sum of its proper divisors (255025).

13513463 is an equidigital number, since it uses as much as digits as its factorization.

13513463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255024.

The product of its digits is 3240, while the sum is 26.

The square root of 13513463 is about 3676.0662398820. The cubic root of 13513463 is about 238.1892840178.

Adding to 13513463 its reverse (36431531), we get a palindrome (49944994).

The spelling of 13513463 in words is "thirteen million, five hundred thirteen thousand, four hundred sixty-three".