11873661 has 16 divisors (see below), whose sum is σ = 16156800. Its totient is φ = 7755200.

The previous prime is 11873647. The next prime is 11873663. The reversal of 11873661 is 16637811.

It is a cyclic number.

It is not a de Polignac number, because 11873661 - 2⁶ = 11873597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11873663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45016 + ... + 45278.

It is an arithmetic number, because the mean of its divisors is an integer number (1009800).

Almost surely, 2^11873661 is an apocalyptic number.

It is an amenable number.

11873661 is a deficient number, since it is larger than the sum of its proper divisors (4283139).

11873661 is a wasteful number, since it uses less digits than its factorization.

11873661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its digits is 6048, while the sum is 33.

The square root of 11873661 is about 3445.8179000057. The cubic root of 11873661 is about 228.1365563921.

The spelling of 11873661 in words is "eleven million, eight hundred seventy-three thousand, six hundred sixty-one".