1267712 has 24 divisors (see below), whose sum is σ = 2538900. Its totient is φ = 632832.

The previous prime is 1267711. The next prime is 1267723. The reversal of 1267712 is 2177621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739 + ... + 2357.

2^1267712 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 1267712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269450).

1267712 is an abundant number, since it is smaller than the sum of its proper divisors (1271188).

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

1267712 is an frugal number, since it uses more digits than its factorization.

1267712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 621 counting only the distinct ones).

The product of its digits is 1176, while the sum is 26.

The square root of 1267712 is about 1125.9271734886. The cubic root of 1267712 is about 108.2281414155.

Subtracting 1267712 from its reverse (2177621), we obtain a palindrome (909909).

The spelling of 1267712 in words is "one million, two hundred sixty-seven thousand, seven hundred twelve".