13952429 has 2 divisors, whose sum is σ = 13952430. Its totient is φ = 13952428.

The previous prime is 13952401. The next prime is 13952459. The reversal of 13952429 is 92425931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 2896804 = 3325^2 + 1702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13952429 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13952459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6976214 + 6976215.

It is an arithmetic number, because the mean of its divisors is an integer number (6976215).

Almost surely, 2^13952429 is an apocalyptic number.

It is an amenable number.

13952429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13952429 is an equidigital number, since it uses as much as digits as its factorization.

13952429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 13952429 is about 3735.2950352014. The cubic root of 13952429 is about 240.7409335982.

The spelling of 13952429 in words is "thirteen million, nine hundred fifty-two thousand, four hundred twenty-nine".