1226347 has 2 divisors, whose sum is σ = 1226348. Its totient is φ = 1226346.

The previous prime is 1226341. The next prime is 1226353. The reversal of 1226347 is 7436221.

It is a balanced prime because it is at equal distance from previous prime (1226341) and next prime (1226353).

It is a cyclic number.

It is not a de Polignac number, because 1226347 - 2³ = 1226339 is a prime.

It is a d-powerful number, because it can be written as 1 + 2⁵ + 2¹⁷ + 6⁶ + 3 + 4¹⁰ + 7 .

1226347 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1226341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613173 + 613174.

It is an arithmetic number, because the mean of its divisors is an integer number (613174).

2^1226347 is an apocalyptic number.

1226347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226347 is an equidigital number, since it uses as much as digits as its factorization.

1226347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 1226347 is about 1107.4055264446. The cubic root of 1226347 is about 107.0379520072.

The spelling of 1226347 in words is "one million, two hundred twenty-six thousand, three hundred forty-seven".