13973629 has 4 divisors (see below), whose sum is σ = 13982176. Its totient is φ = 13965084.

The previous prime is 13973593. The next prime is 13973669. The reversal of 13973629 is 92637931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13973629 - 2⁹ = 13973117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13973591 and 13973600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13973669) 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, 969 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (3495544).

Almost surely, 2^13973629 is an apocalyptic number.

It is an amenable number.

13973629 is a deficient number, since it is larger than the sum of its proper divisors (8547).

13973629 is an equidigital number, since it uses as much as digits as its factorization.

13973629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546.

The product of its digits is 61236, while the sum is 40.

The square root of 13973629 is about 3738.1317526272. The cubic root of 13973629 is about 240.8628030598.

The spelling of 13973629 in words is "thirteen million, nine hundred seventy-three thousand, six hundred twenty-nine".