11321427 has 24 divisors (see below), whose sum is σ = 16749264. Its totient is φ = 6761664.

The previous prime is 11321399. The next prime is 11321437. The reversal of 11321427 is 72412311.

It is not a de Polignac number, because 11321427 - 2⁶ = 11321363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11321437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72033 + ... + 72189.

It is an arithmetic number, because the mean of its divisors is an integer number (697886).

Almost surely, 2^11321427 is an apocalyptic number.

11321427 is a deficient number, since it is larger than the sum of its proper divisors (5427837).

11321427 is a wasteful number, since it uses less digits than its factorization.

11321427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 216 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 11321427 is about 3364.7328274322. The cubic root of 11321427 is about 224.5434495427.

Adding to 11321427 its reverse (72412311), we get a palindrome (83733738).

The spelling of 11321427 in words is "eleven million, three hundred twenty-one thousand, four hundred twenty-seven".