1226670 has 32 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 316320.

The previous prime is 1226663. The next prime is 1226677. The reversal of 1226670 is 766221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1226663) and next prime (1226677).

It is a self number, because there is not a number n which added to its sum of digits gives 1226670.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (95040).

2^1226670 is an apocalyptic number.

1226670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520640).

1226670 is an abundant number, since it is smaller than the sum of its proper divisors (1814610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226670 is a wasteful number, since it uses less digits than its factorization.

1226670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1226670 is about 1107.5513532112. The cubic root of 1226670 is about 107.0473485384.

The spelling of 1226670 in words is "one million, two hundred twenty-six thousand, six hundred seventy".