1226799 has 16 divisors (see below), whose sum is σ = 2077440. Its totient is φ = 700920.

The previous prime is 1226789. The next prime is 1226801. The reversal of 1226799 is 9976221.

It is not a de Polignac number, because 1226799 - 2⁴ = 1226783 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (1226779) 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 15 ways as a sum of consecutive naturals, for example, 3057 + ... + 3434.

It is an arithmetic number, because the mean of its divisors is an integer number (129840).

2^1226799 is an apocalyptic number.

1226799 is a deficient number, since it is larger than the sum of its proper divisors (850641).

1226799 is an equidigital number, since it uses as much as digits as its factorization.

1226799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507 (or 6501 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 1226799 is about 1107.6095882575. The cubic root of 1226799 is about 107.0511008717.

It can be divided in two parts, 1226 and 799, that added together give a square (2025 = 45²).

The spelling of 1226799 in words is "one million, two hundred twenty-six thousand, seven hundred ninety-nine".