11864906 has 4 divisors (see below), whose sum is σ = 17797362. Its totient is φ = 5932452.

The previous prime is 11864903. The next prime is 11864981. The reversal of 11864906 is 60946811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 366025 = 3391^2 + 605^2 .

It is not an unprimeable number, because it can be changed into a prime (11864903) 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 as a sum of consecutive naturals, namely, 2966225 + ... + 2966228.

Almost surely, 2^11864906 is an apocalyptic number.

11864906 is a deficient number, since it is larger than the sum of its proper divisors (5932456).

11864906 is an equidigital number, since it uses as much as digits as its factorization.

11864906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932455.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 11864906 is about 3444.5472852031. The cubic root of 11864906 is about 228.0804707231.

The spelling of 11864906 in words is "eleven million, eight hundred sixty-four thousand, nine hundred six".