11032421 has 4 divisors (see below), whose sum is σ = 11197152. Its totient is φ = 10867692.

The previous prime is 11032409. The next prime is 11032423. The reversal of 11032421 is 12423011.

11032421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-11032421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032396 and 11032405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032423) 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, 82265 + ... + 82398.

It is an arithmetic number, because the mean of its divisors is an integer number (2799288).

Almost surely, 2^11032421 is an apocalyptic number.

It is an amenable number.

11032421 is a deficient number, since it is larger than the sum of its proper divisors (164731).

11032421 is an equidigital number, since it uses as much as digits as its factorization.

11032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164730.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11032421 is about 3321.5088438841. The cubic root of 11032421 is about 222.6162906803.

Adding to 11032421 its reverse (12423011), we get a palindrome (23455432).

The spelling of 11032421 in words is "eleven million, thirty-two thousand, four hundred twenty-one".