1201716 has 30 divisors (see below), whose sum is σ = 3142370. Its totient is φ = 400464.

The previous prime is 1201709. The next prime is 1201729. The reversal of 1201716 is 6171021.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 291600 = 954^2 + 540^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1531 + ... + 2178.

2^1201716 is an apocalyptic number.

It is an amenable number.

1201716 is an abundant number, since it is smaller than the sum of its proper divisors (1940654).

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

1201716 is a wasteful number, since it uses less digits than its factorization.

1201716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1201716 is about 1096.2280784581. The cubic root of 1201716 is about 106.3164861844.

Adding to 1201716 its reverse (6171021), we get a palindrome (7372737).

The spelling of 1201716 in words is "one million, two hundred one thousand, seven hundred sixteen".