1211672 has 48 divisors (see below), whose sum is σ = 2893320. Its totient is φ = 470400.

The previous prime is 1211669. The next prime is 1211677. The reversal of 1211672 is 2761121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211677) 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, 4172 + ... + 4452.

2^1211672 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 1211672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446660).

1211672 is an abundant number, since it is smaller than the sum of its proper divisors (1681648).

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

1211672 is a wasteful number, since it uses less digits than its factorization.

1211672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 301 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 1211672 is about 1100.7597376358. The cubic root of 1211672 is about 106.6092833712.

Adding to 1211672 its reverse (2761121), we get a palindrome (3972793).

The spelling of 1211672 in words is "one million, two hundred eleven thousand, six hundred seventy-two".