13311629 has 6 divisors (see below), whose sum is σ = 14141034. Its totient is φ = 12528320.

The previous prime is 13311619. The next prime is 13311637. The reversal of 13311629 is 92611331.

It can be written as a sum of positive squares in 3 ways, for example, as 2256004 + 11055625 = 1502^2 + 3325^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13311629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13311598 and 13311607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22742 + ... + 23319.

It is an arithmetic number, because the mean of its divisors is an integer number (2356839).

Almost surely, 2^13311629 is an apocalyptic number.

It is an amenable number.

13311629 is a deficient number, since it is larger than the sum of its proper divisors (829405).

13311629 is an equidigital number, since it uses as much as digits as its factorization.

13311629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46095 (or 46078 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 13311629 is about 3648.5105180059. The cubic root of 13311629 is about 236.9974837573.

The spelling of 13311629 in words is "thirteen million, three hundred eleven thousand, six hundred twenty-nine".