11813667 has 16 divisors (see below), whose sum is σ = 16084992. Its totient is φ = 7711200.

The previous prime is 11813653. The next prime is 11813677. The reversal of 11813667 is 76631811.

It is not a de Polignac number, because 11813667 - 2¹² = 11809571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11813677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38328 + ... + 38634.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312).

Almost surely, 2^11813667 is an apocalyptic number.

11813667 is a deficient number, since it is larger than the sum of its proper divisors (4271325).

11813667 is a wasteful number, since it uses less digits than its factorization.

11813667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its digits is 6048, while the sum is 33.

The square root of 11813667 is about 3437.1015405426. The cubic root of 11813667 is about 227.7516725365.

The spelling of 11813667 in words is "eleven million, eight hundred thirteen thousand, six hundred sixty-seven".