11899994 has 8 divisors (see below), whose sum is σ = 17943060. Its totient is φ = 5918976.

The previous prime is 11899991. The next prime is 11899997. The reversal of 11899994 is 49999811.

11899994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11899991) and next prime (11899997).

It can be written as a sum of positive squares in 2 ways, for example, as 11812969 + 87025 = 3437^2 + 295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11899991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15029 + ... + 15800.

Almost surely, 2^11899994 is an apocalyptic number.

11899994 is a deficient number, since it is larger than the sum of its proper divisors (6043066).

11899994 is a wasteful number, since it uses less digits than its factorization.

11899994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31024.

The product of its digits is 209952, while the sum is 50.

The square root of 11899994 is about 3449.6367924754. The cubic root of 11899994 is about 228.3050830246.

The spelling of 11899994 in words is "eleven million, eight hundred ninety-nine thousand, nine hundred ninety-four".