13513456 has 20 divisors (see below), whose sum is σ = 28562904. Its totient is φ = 6142400.

The previous prime is 13513439. The next prime is 13513459. The reversal of 13513456 is 65431531.

13513456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13513456² = 365226986127872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513459) 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, 38215 + ... + 38566.

Almost surely, 2^13513456 is an apocalyptic number.

13513456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13513456 is an abundant number, since it is smaller than the sum of its proper divisors (15049448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13513456 is a wasteful number, since it uses less digits than its factorization.

13513456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76800 (or 76794 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 13513456 is about 3676.0652877771. The cubic root of 13513456 is about 238.1892428903.

Adding to 13513456 its reverse (65431531), we get a palindrome (78944987).

The spelling of 13513456 in words is "thirteen million, five hundred thirteen thousand, four hundred fifty-six".