13346631 has 6 divisors (see below), whose sum is σ = 19278480. Its totient is φ = 8897748.

The previous prime is 13346611. The next prime is 13346653. The reversal of 13346631 is 13664331.

It is not a de Polignac number, because 13346631 - 2¹⁵ = 13313863 is a prime.

It is a super-2 number, since 2×13346631² = 356265118100322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13346595 and 13346604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13346611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741471 + ... + 741488.

It is an arithmetic number, because the mean of its divisors is an integer number (3213080).

Almost surely, 2^13346631 is an apocalyptic number.

13346631 is a deficient number, since it is larger than the sum of its proper divisors (5931849).

13346631 is a wasteful number, since it uses less digits than its factorization.

13346631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482965 (or 1482962 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 13346631 is about 3653.3041209294. The cubic root of 13346631 is about 237.2050247431.

It can be divided in two parts, 133 and 46631, that added together give a palindrome (46764).

The spelling of 13346631 in words is "thirteen million, three hundred forty-six thousand, six hundred thirty-one".