11988607 has 2 divisors, whose sum is σ = 11988608. Its totient is φ = 11988606.

The previous prime is 11988577. The next prime is 11988617. The reversal of 11988607 is 70688911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11988607 - 2¹⁹ = 11464319 is a prime.

It is equal to p₇₈₇₃₆₉ and since 11988607 and 787369 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11988607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11988617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5994303 + 5994304.

It is an arithmetic number, because the mean of its divisors is an integer number (5994304).

Almost surely, 2^11988607 is an apocalyptic number.

11988607 is a deficient number, since it is larger than the sum of its proper divisors (1).

11988607 is an equidigital number, since it uses as much as digits as its factorization.

11988607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 11988607 is about 3462.4567867340. The cubic root of 11988607 is about 228.8703715168.

The spelling of 11988607 in words is "eleven million, nine hundred eighty-eight thousand, six hundred seven".