1296022 has 16 divisors (see below), whose sum is σ = 2392992. Its totient is φ = 512640.

The previous prime is 1296019. The next prime is 1296023. The reversal of 1296022 is 2206921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1295984 and 1296002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3379 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (149562).

2^1296022 is an apocalyptic number.

1296022 is a deficient number, since it is larger than the sum of its proper divisors (1096970).

1296022 is a wasteful number, since it uses less digits than its factorization.

1296022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1296022 is about 1138.4296201347. The cubic root of 1296022 is about 109.0278524901.

The spelling of 1296022 in words is "one million, two hundred ninety-six thousand, twenty-two".