11698009 has 2 divisors, whose sum is σ = 11698010. Its totient is φ = 11698008.

The previous prime is 11697979. The next prime is 11698039. The reversal of 11698009 is 90089611.

It is a balanced prime because it is at equal distance from previous prime (11697979) and next prime (11698039).

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 4963984 = 2595^2 + 2228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11698009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11698039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849004 + 5849005.

It is an arithmetic number, because the mean of its divisors is an integer number (5849005).

Almost surely, 2^11698009 is an apocalyptic number.

It is an amenable number.

11698009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11698009 is an equidigital number, since it uses as much as digits as its factorization.

11698009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 11698009 is about 3420.2352258288. The cubic root of 11698009 is about 227.0059899963.

The spelling of 11698009 in words is "eleven million, six hundred ninety-eight thousand, nine".