11602021 has 4 divisors (see below), whose sum is σ = 11654272. Its totient is φ = 11549772.

The previous prime is 11602013. The next prime is 11602037. The reversal of 11602021 is 12020611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11602021 - 2³ = 11602013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11601992 and 11602010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11602061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25791 + ... + 26236.

It is an arithmetic number, because the mean of its divisors is an integer number (2913568).

Almost surely, 2^11602021 is an apocalyptic number.

It is an amenable number.

11602021 is a deficient number, since it is larger than the sum of its proper divisors (52251).

11602021 is an equidigital number, since it uses as much as digits as its factorization.

11602021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52250.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11602021 is about 3406.1739532795. The cubic root of 11602021 is about 226.3833848158.

Adding to 11602021 its reverse (12020611), we get a palindrome (23622632).

The spelling of 11602021 in words is "eleven million, six hundred two thousand, twenty-one".