11667407 has 2 divisors, whose sum is σ = 11667408. Its totient is φ = 11667406.

The previous prime is 11667391. The next prime is 11667413. The reversal of 11667407 is 70476611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11667407 - 2⁴ = 11667391 is a prime.

It is a super-2 number, since 2×11667407² = 272256772207298, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11667437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833703 + 5833704.

It is an arithmetic number, because the mean of its divisors is an integer number (5833704).

Almost surely, 2^11667407 is an apocalyptic number.

11667407 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667407 is an equidigital number, since it uses as much as digits as its factorization.

11667407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 11667407 is about 3415.7586273038. The cubic root of 11667407 is about 226.8078678553.

The spelling of 11667407 in words is "eleven million, six hundred sixty-seven thousand, four hundred seven".