11641907 has 4 divisors (see below), whose sum is σ = 11649960. Its totient is φ = 11633856.

The previous prime is 11641901. The next prime is 11641919. The reversal of 11641907 is 70914611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11641907 - 2¹⁰ = 11640883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11641907.

It is not an unprimeable number, because it can be changed into a prime (11641901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 4970.

It is an arithmetic number, because the mean of its divisors is an integer number (2912490).

Almost surely, 2^11641907 is an apocalyptic number.

11641907 is a deficient number, since it is larger than the sum of its proper divisors (8053).

11641907 is an equidigital number, since it uses as much as digits as its factorization.

11641907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11641907 is about 3412.0238862001. The cubic root of 11641907 is about 226.6425120839.

The spelling of 11641907 in words is "eleven million, six hundred forty-one thousand, nine hundred seven".