11876609 has 2 divisors, whose sum is σ = 11876610. Its totient is φ = 11876608.

The previous prime is 11876597. The next prime is 11876647. The reversal of 11876609 is 90667811.

It is an a-pointer prime, because the next prime (11876647) can be obtained adding 11876609 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11075584 + 801025 = 3328^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 11876609 - 2²⁰ = 10828033 is a prime.

It is not a weakly prime, because it can be changed into another prime (11876009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938304 + 5938305.

It is an arithmetic number, because the mean of its divisors is an integer number (5938305).

Almost surely, 2^11876609 is an apocalyptic number.

It is an amenable number.

11876609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11876609 is an equidigital number, since it uses as much as digits as its factorization.

11876609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 11876609 is about 3446.2456383723. The cubic root of 11876609 is about 228.1554354589.

The spelling of 11876609 in words is "eleven million, eight hundred seventy-six thousand, six hundred nine".