11954661 has 8 divisors (see below), whose sum is σ = 15980160. Its totient is φ = 7949472.

The previous prime is 11954659. The next prime is 11954669. The reversal of 11954661 is 16645911.

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

It is not a de Polignac number, because 11954661 - 2¹ = 11954659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11954669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3645 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (1997520).

Almost surely, 2^11954661 is an apocalyptic number.

It is an amenable number.

11954661 is a deficient number, since it is larger than the sum of its proper divisors (4025499).

11954661 is an equidigital number, since it uses as much as digits as its factorization.

11954661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155.

The product of its digits is 6480, while the sum is 33.

The square root of 11954661 is about 3457.5513011378. The cubic root of 11954661 is about 228.6541501742.

The spelling of 11954661 in words is "eleven million, nine hundred fifty-four thousand, six hundred sixty-one".