11633421 has 8 divisors (see below), whose sum is σ = 15729984. Its totient is φ = 7646240.

The previous prime is 11633417. The next prime is 11633431. The reversal of 11633421 is 12433611.

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 11633421 - 2² = 11633417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11633431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27096 + ... + 27521.

It is an arithmetic number, because the mean of its divisors is an integer number (1966248).

Almost surely, 2^11633421 is an apocalyptic number.

It is an amenable number.

11633421 is a deficient number, since it is larger than the sum of its proper divisors (4096563).

11633421 is an equidigital number, since it uses as much as digits as its factorization.

11633421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54691.

The product of its digits is 432, while the sum is 21.

The square root of 11633421 is about 3410.7801160438. The cubic root of 11633421 is about 226.5874307341.

The spelling of 11633421 in words is "eleven million, six hundred thirty-three thousand, four hundred twenty-one".