129296 has 10 divisors (see below), whose sum is σ = 250542. Its totient is φ = 64640.

The previous prime is 129293. The next prime is 129313. The reversal of 129296 is 692921.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 26896 = 320^2 + 164^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (129293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4025 + ... + 4056.

2¹²⁹²⁹⁶ is an apocalyptic number.

129296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129296 is a deficient number, since it is larger than the sum of its proper divisors (121246).

129296 is an equidigital number, since it uses as much as digits as its factorization.

129296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089 (or 8083 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 129296 is about 359.5775298875. The cubic root of 129296 is about 50.5663604934.

The spelling of 129296 in words is "one hundred twenty-nine thousand, two hundred ninety-six".