11621799 has 40 divisors (see below), whose sum is σ = 20134400. Its totient is φ = 6543504.

The previous prime is 11621791. The next prime is 11621801. The reversal of 11621799 is 99712611.

It is not a de Polignac number, because 11621799 - 2³ = 11621791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621791) 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 39 ways as a sum of consecutive naturals, for example, 58302 + ... + 58500.

It is an arithmetic number, because the mean of its divisors is an integer number (503360).

Almost surely, 2^11621799 is an apocalyptic number.

11621799 is a deficient number, since it is larger than the sum of its proper divisors (8512601).

11621799 is a wasteful number, since it uses less digits than its factorization.

11621799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 312 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 11621799 is about 3409.0759745127. The cubic root of 11621799 is about 226.5119505997.

The spelling of 11621799 in words is "eleven million, six hundred twenty-one thousand, seven hundred ninety-nine".