11998607 has 2 divisors, whose sum is σ = 11998608. Its totient is φ = 11998606.

The previous prime is 11998601. The next prime is 11998621. The reversal of 11998607 is 70689911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11998607 - 2¹⁶ = 11933071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11998601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5999303 + 5999304.

It is an arithmetic number, because the mean of its divisors is an integer number (5999304).

Almost surely, 2^11998607 is an apocalyptic number.

11998607 is a deficient number, since it is larger than the sum of its proper divisors (1).

11998607 is an equidigital number, since it uses as much as digits as its factorization.

11998607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 11998607 is about 3463.9005470712. The cubic root of 11998607 is about 228.9339893515.

The spelling of 11998607 in words is "eleven million, nine hundred ninety-eight thousand, six hundred seven".