13348631 has 4 divisors (see below), whose sum is σ = 13779264. Its totient is φ = 12918000.

The previous prime is 13348627. The next prime is 13348637. The reversal of 13348631 is 13684331.

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 13348631 - 2² = 13348627 is a prime.

It is a super-2 number, since 2×13348631² = 356371899148322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13348594 and 13348603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13348637) 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, 215270 + ... + 215331.

It is an arithmetic number, because the mean of its divisors is an integer number (3444816).

Almost surely, 2^13348631 is an apocalyptic number.

13348631 is a deficient number, since it is larger than the sum of its proper divisors (430633).

13348631 is an equidigital number, since it uses as much as digits as its factorization.

13348631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430632.

The product of its digits is 5184, while the sum is 29.

The square root of 13348631 is about 3653.5778354922. The cubic root of 13348631 is about 237.2168725859.

The spelling of 13348631 in words is "thirteen million, three hundred forty-eight thousand, six hundred thirty-one".