13992829 has 2 divisors, whose sum is σ = 13992830. Its totient is φ = 13992828.

The previous prime is 13992821. The next prime is 13992833. The reversal of 13992829 is 92829931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 487204 = 3675^2 + 698^2 .

It is an emirp because it is prime and its reverse (92829931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13992829 - 2³ = 13992821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13992821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6996414 + 6996415.

It is an arithmetic number, because the mean of its divisors is an integer number (6996415).

Almost surely, 2^13992829 is an apocalyptic number.

It is an amenable number.

13992829 is a deficient number, since it is larger than the sum of its proper divisors (1).

13992829 is an equidigital number, since it uses as much as digits as its factorization.

13992829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 13992829 is about 3740.6989988503. The cubic root of 13992829 is about 240.9730690797.

The spelling of 13992829 in words is "thirteen million, nine hundred ninety-two thousand, eight hundred twenty-nine".