13671629 has 4 divisors (see below), whose sum is σ = 13725084. Its totient is φ = 13618176.

The previous prime is 13671613. The next prime is 13671649. The reversal of 13671629 is 92617631.

13671629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92617631 = 1291 ⋅71741.

It can be written as a sum of positive squares in 2 ways, for example, as 12040900 + 1630729 = 3470^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 13671629 - 2⁴ = 13671613 is a prime.

It is a super-3 number, since 3×13671629³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671649) 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, 26342 + ... + 26855.

It is an arithmetic number, because the mean of its divisors is an integer number (3431271).

Almost surely, 2^13671629 is an apocalyptic number.

It is an amenable number.

13671629 is a deficient number, since it is larger than the sum of its proper divisors (53455).

13671629 is an equidigital number, since it uses as much as digits as its factorization.

13671629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53454.

The product of its digits is 13608, while the sum is 35.

The square root of 13671629 is about 3697.5165990162. The cubic root of 13671629 is about 239.1149636861.

The spelling of 13671629 in words is "thirteen million, six hundred seventy-one thousand, six hundred twenty-nine".