13995629 has 2 divisors, whose sum is σ = 13995630. Its totient is φ = 13995628.

The previous prime is 13995589. The next prime is 13995643. The reversal of 13995629 is 92659931.

13995629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 2449225 = 3398^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 13995629 - 2¹² = 13991533 is a prime.

It is a super-2 number, since 2×13995629² = 391755262211282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13995629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13995679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997814 + 6997815.

It is an arithmetic number, because the mean of its divisors is an integer number (6997815).

Almost surely, 2^13995629 is an apocalyptic number.

It is an amenable number.

13995629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13995629 is an equidigital number, since it uses as much as digits as its factorization.

13995629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 44.

The square root of 13995629 is about 3741.0732417316. The cubic root of 13995629 is about 240.9891411118.

The spelling of 13995629 in words is "thirteen million, nine hundred ninety-five thousand, six hundred twenty-nine".