11463221 has 8 divisors (see below), whose sum is σ = 14291904. Its totient is φ = 8932320.

The previous prime is 11463217. The next prime is 11463227. The reversal of 11463221 is 12236411.

11463221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11463221 - 2² = 11463217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11463193 and 11463202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11463227) 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, 74360 + ... + 74513.

It is an arithmetic number, because the mean of its divisors is an integer number (1786488).

Almost surely, 2^11463221 is an apocalyptic number.

11463221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11463221 is a deficient number, since it is larger than the sum of its proper divisors (2828683).

11463221 is a wasteful number, since it uses less digits than its factorization.

11463221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148891.

The product of its digits is 288, while the sum is 20.

The square root of 11463221 is about 3385.7378811715. The cubic root of 11463221 is about 225.4769864568.

Adding to 11463221 its reverse (12236411), we get a palindrome (23699632).

The spelling of 11463221 in words is "eleven million, four hundred sixty-three thousand, two hundred twenty-one".