1246544 has 30 divisors (see below), whose sum is σ = 2620926. Its totient is φ = 574080.

The previous prime is 1246543. The next prime is 1246561. The reversal of 1246544 is 4456421.

It can be written as a sum of positive squares in 3 ways, for example, as 10000 + 1236544 = 100^2 + 1112^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2474 + ... + 2934.

2^1246544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1246544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310463).

1246544 is an abundant number, since it is smaller than the sum of its proper divisors (1374382).

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

1246544 is a wasteful number, since it uses less digits than its factorization.

1246544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 476 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1246544 is about 1116.4873487864. The cubic root of 1246544 is about 107.6223665172.

The spelling of 1246544 in words is "one million, two hundred forty-six thousand, five hundred forty-four".