1226480 has 20 divisors (see below), whose sum is σ = 2851752. Its totient is φ = 490560.

The previous prime is 1226479. The next prime is 1226483. The reversal of 1226480 is 846221.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226483) 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 3 ways as a sum of consecutive naturals, for example, 7586 + ... + 7745.

2^1226480 is an apocalyptic number.

1226480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226480 is an abundant number, since it is smaller than the sum of its proper divisors (1625272).

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

1226480 is a wasteful number, since it uses less digits than its factorization.

1226480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15344 (or 15338 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1226480 is about 1107.4655750857. The cubic root of 1226480 is about 107.0418213669.

The spelling of 1226480 in words is "one million, two hundred twenty-six thousand, four hundred eighty".