11516747 has 4 divisors (see below), whose sum is σ = 12563736. Its totient is φ = 10469760.

The previous prime is 11516723. The next prime is 11516749. The reversal of 11516747 is 74761511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11516747 - 2¹⁶ = 11451211 is a prime.

It is a super-2 number, since 2×11516747² = 265270922924018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11516749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523478 + ... + 523499.

It is an arithmetic number, because the mean of its divisors is an integer number (3140934).

Almost surely, 2^11516747 is an apocalyptic number.

11516747 is a deficient number, since it is larger than the sum of its proper divisors (1046989).

11516747 is a wasteful number, since it uses less digits than its factorization.

11516747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046988.

The product of its digits is 5880, while the sum is 32.

The square root of 11516747 is about 3393.6333037027. The cubic root of 11516747 is about 225.8273866649.

The spelling of 11516747 in words is "eleven million, five hundred sixteen thousand, seven hundred forty-seven".