11454421 has 4 divisors (see below), whose sum is σ = 12495744. Its totient is φ = 10413100.

The previous prime is 11454419. The next prime is 11454427. The reversal of 11454421 is 12445411.

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 not a de Polignac number, because 11454421 - 2¹ = 11454419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11454392 and 11454401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454427) 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, 520645 + ... + 520666.

It is an arithmetic number, because the mean of its divisors is an integer number (3123936).

Almost surely, 2^11454421 is an apocalyptic number.

11454421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11454421 is a deficient number, since it is larger than the sum of its proper divisors (1041323).

11454421 is a wasteful number, since it uses less digits than its factorization.

11454421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041322.

The product of its digits is 640, while the sum is 22.

The square root of 11454421 is about 3384.4380626627. The cubic root of 11454421 is about 225.4192741891.

Adding to 11454421 its reverse (12445411), we get a palindrome (23899832).

The spelling of 11454421 in words is "eleven million, four hundred fifty-four thousand, four hundred twenty-one".