1212744 has 64 divisors (see below), whose sum is σ = 3427200. Its totient is φ = 356928.

The previous prime is 1212737. The next prime is 1212769. The reversal of 1212744 is 4472121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52717 + ... + 52739.

It is an arithmetic number, because the mean of its divisors is an integer number (53550).

2^1212744 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 1212744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713600).

1212744 is an abundant number, since it is smaller than the sum of its proper divisors (2214456).

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

1212744 is a wasteful number, since it uses less digits than its factorization.

1212744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 41 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 1212744 is about 1101.2465663965. The cubic root of 1212744 is about 106.6407141723.

Adding to 1212744 its reverse (4472121), we get a palindrome (5684865).

It can be divided in two parts, 121274 and 4, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 1212744 in words is "one million, two hundred twelve thousand, seven hundred forty-four".