11994541 has 16 divisors (see below), whose sum is σ = 13434624. Its totient is φ = 10638144.

The previous prime is 11994539. The next prime is 11994547. The reversal of 11994541 is 14549911.

It is a cyclic number.

It is not a de Polignac number, because 11994541 - 2¹ = 11994539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11994497 and 11994506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11994547) 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 15 ways as a sum of consecutive naturals, for example, 40791 + ... + 41083.

It is an arithmetic number, because the mean of its divisors is an integer number (839664).

Almost surely, 2^11994541 is an apocalyptic number.

It is an amenable number.

11994541 is a deficient number, since it is larger than the sum of its proper divisors (1440083).

11994541 is a wasteful number, since it uses less digits than its factorization.

11994541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its digits is 6480, while the sum is 34.

The square root of 11994541 is about 3463.3135867259. The cubic root of 11994541 is about 228.9081266058.

The spelling of 11994541 in words is "eleven million, nine hundred ninety-four thousand, five hundred forty-one".