13481315 has 8 divisors (see below), whose sum is σ = 16207008. Its totient is φ = 10765440.

The previous prime is 13481309. The next prime is 13481327. The reversal of 13481315 is 51318431.

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

It is a de Polignac number, because none of the positive numbers 2^k-13481315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (2025876).

Almost surely, 2^13481315 is an apocalyptic number.

13481315 is a deficient number, since it is larger than the sum of its proper divisors (2725693).

13481315 is an equidigital number, since it uses as much as digits as its factorization.

13481315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909.

The product of its digits is 1440, while the sum is 26.

The square root of 13481315 is about 3671.6910273061. The cubic root of 13481315 is about 238.0002530421. Note that the first 3 decimals are identical.

Adding to 13481315 its reverse (51318431), we get a palindrome (64799746).

The spelling of 13481315 in words is "thirteen million, four hundred eighty-one thousand, three hundred fifteen".