11421463 has 4 divisors (see below), whose sum is σ = 11447920. Its totient is φ = 11395008.

The previous prime is 11421461. The next prime is 11421481. The reversal of 11421463 is 36412411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36412411 = 7 ⋅5201773.

It is a cyclic number.

It is not a de Polignac number, because 11421463 - 2¹ = 11421461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12570 + ... + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (2861980).

Almost surely, 2^11421463 is an apocalyptic number.

11421463 is a deficient number, since it is larger than the sum of its proper divisors (26457).

11421463 is an equidigital number, since it uses as much as digits as its factorization.

11421463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26456.

The product of its digits is 576, while the sum is 22.

The square root of 11421463 is about 3379.5655046174. The cubic root of 11421463 is about 225.2028655960.

Adding to 11421463 its reverse (36412411), we get a palindrome (47833874).

The spelling of 11421463 in words is "eleven million, four hundred twenty-one thousand, four hundred sixty-three".