13968129 has 16 divisors (see below), whose sum is σ = 21861248. Its totient is φ = 7765632.

The previous prime is 13968127. The next prime is 13968131. The reversal of 13968129 is 92186931.

It is an interprime number because it is at equal distance from previous prime (13968127) and next prime (13968131).

It is not a de Polignac number, because 13968129 - 2¹ = 13968127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13968127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8212 + ... + 9765.

It is an arithmetic number, because the mean of its divisors is an integer number (1366328).

Almost surely, 2^13968129 is an apocalyptic number.

It is an amenable number.

13968129 is a deficient number, since it is larger than the sum of its proper divisors (7893119).

13968129 is a wasteful number, since it uses less digits than its factorization.

13968129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024.

The product of its digits is 23328, while the sum is 39.

The square root of 13968129 is about 3737.3960186205. The cubic root of 13968129 is about 240.8311978302.

The spelling of 13968129 in words is "thirteen million, nine hundred sixty-eight thousand, one hundred twenty-nine".