11712061 has 8 divisors (see below), whose sum is σ = 12028248. Its totient is φ = 11400000.

The previous prime is 11712059. The next prime is 11712073. The reversal of 11712061 is 16021711.

It can be written as a sum of positive squares in 4 ways, for example, as 219961 + 11492100 = 469^2 + 3390^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11712061 - 2¹ = 11712059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5211 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (1503531).

Almost surely, 2^11712061 is an apocalyptic number.

It is an amenable number.

11712061 is a deficient number, since it is larger than the sum of its proper divisors (316187).

11712061 is a wasteful number, since it uses less digits than its factorization.

11712061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 11712061 is about 3422.2888539689. The cubic root of 11712061 is about 227.0968490978.

Adding to 11712061 its reverse (16021711), we get a palindrome (27733772).

The spelling of 11712061 in words is "eleven million, seven hundred twelve thousand, sixty-one".