11709407 has 2 divisors, whose sum is σ = 11709408. Its totient is φ = 11709406.

The previous prime is 11709367. The next prime is 11709409. The reversal of 11709407 is 70490711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11709407 - 2⁸ = 11709151 is a prime.

It is a super-2 number, since 2×11709407² = 274220424583298, which contains 22 as substring.

Together with 11709409, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11709407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11709409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5854703 + 5854704.

It is an arithmetic number, because the mean of its divisors is an integer number (5854704).

Almost surely, 2^11709407 is an apocalyptic number.

11709407 is a deficient number, since it is larger than the sum of its proper divisors (1).

11709407 is an equidigital number, since it uses as much as digits as its factorization.

11709407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 11709407 is about 3421.9010798093. The cubic root of 11709407 is about 227.0796941163.

The spelling of 11709407 in words is "eleven million, seven hundred nine thousand, four hundred seven".