1296429 has 4 divisors (see below), whose sum is σ = 1728576. Its totient is φ = 864284.

The previous prime is 1296419. The next prime is 1296467. The reversal of 1296429 is 9246921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1296429 - 2⁴ = 1296413 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1296429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216069 + ... + 216074.

It is an arithmetic number, because the mean of its divisors is an integer number (432144).

2^1296429 is an apocalyptic number.

It is an amenable number.

1296429 is a deficient number, since it is larger than the sum of its proper divisors (432147).

1296429 is an equidigital number, since it uses as much as digits as its factorization.

1296429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432146.

The product of its digits is 7776, while the sum is 33.

The square root of 1296429 is about 1138.6083611146. The cubic root of 1296429 is about 109.0392642541.

The spelling of 1296429 in words is "one million, two hundred ninety-six thousand, four hundred twenty-nine".