1306022 has 8 divisors (see below), whose sum is σ = 2062200. Its totient is φ = 618624.

The previous prime is 1306007. The next prime is 1306027. The reversal of 1306022 is 2206031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1305988 and 1306006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17147 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (257775).

2^1306022 is an apocalyptic number.

1306022 is a deficient number, since it is larger than the sum of its proper divisors (756178).

1306022 is a wasteful number, since it uses less digits than its factorization.

1306022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34390.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1306022 is about 1142.8131955836. The cubic root of 1306022 is about 109.3075510130.

Subtracting 1306022 from its reverse (2206031), we obtain a palindrome (900009).

The spelling of 1306022 in words is "one million, three hundred six thousand, twenty-two".