11621361 has 8 divisors (see below), whose sum is σ = 15825024. Its totient is φ = 7582640.

The previous prime is 11621359. The next prime is 11621383. The reversal of 11621361 is 16312611.

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

It is a cyclic number.

It is not a de Polignac number, because 11621361 - 2¹ = 11621359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11621321) 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 7 ways as a sum of consecutive naturals, for example, 41070 + ... + 41351.

It is an arithmetic number, because the mean of its divisors is an integer number (1978128).

Almost surely, 2^11621361 is an apocalyptic number.

It is an amenable number.

11621361 is a deficient number, since it is larger than the sum of its proper divisors (4203663).

11621361 is an equidigital number, since it uses as much as digits as its factorization.

11621361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82471.

The product of its digits is 216, while the sum is 21.

The square root of 11621361 is about 3409.0117336260. The cubic root of 11621361 is about 226.5091049851.

Adding to 11621361 its reverse (16312611), we get a palindrome (27933972).

The spelling of 11621361 in words is "eleven million, six hundred twenty-one thousand, three hundred sixty-one".