11877621 has 16 divisors (see below), whose sum is σ = 18268800. Its totient is φ = 6723648.

The previous prime is 11877601. The next prime is 11877643. The reversal of 11877621 is 12677811.

It is not a de Polignac number, because 11877621 - 2¹⁰ = 11876597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11877601) 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, 306 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (1141800).

Almost surely, 2^11877621 is an apocalyptic number.

It is an amenable number.

11877621 is a deficient number, since it is larger than the sum of its proper divisors (6391179).

11877621 is a wasteful number, since it uses less digits than its factorization.

11877621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308.

The product of its digits is 4704, while the sum is 33.

The square root of 11877621 is about 3446.3924616909. The cubic root of 11877621 is about 228.1619156122.

The spelling of 11877621 in words is "eleven million, eight hundred seventy-seven thousand, six hundred twenty-one".