11700641 has 8 divisors (see below), whose sum is σ = 12424104. Its totient is φ = 10981120.

The previous prime is 11700613. The next prime is 11700643. The reversal of 11700641 is 14600711.

It can be written as a sum of positive squares in 4 ways, for example, as 4389025 + 7311616 = 2095^2 + 2704^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11700641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11700643) 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, 7091 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (1553013).

Almost surely, 2^11700641 is an apocalyptic number.

It is an amenable number.

11700641 is a deficient number, since it is larger than the sum of its proper divisors (723463).

11700641 is a wasteful number, since it uses less digits than its factorization.

11700641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971.

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

The square root of 11700641 is about 3420.6199730458. The cubic root of 11700641 is about 227.0230138324.

The spelling of 11700641 in words is "eleven million, seven hundred thousand, six hundred forty-one".