1244680 has 48 divisors (see below), whose sum is σ = 2978820. Its totient is φ = 467712.

The previous prime is 1244647. The next prime is 1244687. The reversal of 1244680 is 864421.

It can be written as a sum of positive squares in 6 ways, for example, as 842724 + 401956 = 918^2 + 634^2 .

It is not an unprimeable number, because it can be changed into a prime (1244687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33622 + ... + 33658.

2^1244680 is an apocalyptic number.

1244680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489410).

1244680 is an abundant number, since it is smaller than the sum of its proper divisors (1734140).

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

1244680 is a wasteful number, since it uses less digits than its factorization.

1244680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1244680 is about 1115.6522755769. The cubic root of 1244680 is about 107.5686959511.

The spelling of 1244680 in words is "one million, two hundred forty-four thousand, six hundred eighty".