1226679 has 8 divisors (see below), whose sum is σ = 1675632. Its totient is φ = 797760.

The previous prime is 1226677. The next prime is 1226681. The reversal of 1226679 is 9766221.

It is an interprime number because it is at equal distance from previous prime (1226677) and next prime (1226681).

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

It is not a de Polignac number, because 1226679 - 2¹ = 1226677 is a prime.

1226679 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4864 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (209454).

2^1226679 is an apocalyptic number.

1226679 is a deficient number, since it is larger than the sum of its proper divisors (448953).

1226679 is an equidigital number, since it uses as much as digits as its factorization.

1226679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017.

The product of its digits is 9072, while the sum is 33.

The square root of 1226679 is about 1107.5554162208. Note that the first 3 decimals coincide. The cubic root of 1226679 is about 107.0476103376.

The spelling of 1226679 in words is "one million, two hundred twenty-six thousand, six hundred seventy-nine".