11994471 has 6 divisors (see below), whose sum is σ = 17325360. Its totient is φ = 7996308.

The previous prime is 11994461. The next prime is 11994481. The reversal of 11994471 is 17449911.

11994471 is digitally balanced in base 3, 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 (11994461) and next prime (11994481).

It is not a de Polignac number, because 11994471 - 2⁷ = 11994343 is a prime.

It is a super-3 number, since 3×11994471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11994421) 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 in 5 ways as a sum of consecutive naturals, for example, 666351 + ... + 666368.

It is an arithmetic number, because the mean of its divisors is an integer number (2887560).

Almost surely, 2^11994471 is an apocalyptic number.

11994471 is a deficient number, since it is larger than the sum of its proper divisors (5330889).

11994471 is a wasteful number, since it uses less digits than its factorization.

11994471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332725 (or 1332722 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11994471 is about 3463.3034807825. The cubic root of 11994471 is about 228.9076813032.

The spelling of 11994471 in words is "eleven million, nine hundred ninety-four thousand, four hundred seventy-one".