13454421 has 16 divisors (see below), whose sum is σ = 18779904. Its totient is φ = 8558784.

The previous prime is 13454401. The next prime is 13454423. The reversal of 13454421 is 12445431.

13454421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13454421 - 2¹⁰ = 13453397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13454391 and 13454400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13454423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4740 + ... + 7026.

It is an arithmetic number, because the mean of its divisors is an integer number (1173744).

Almost surely, 2^13454421 is an apocalyptic number.

13454421 is the 1961-st nonagonal number.

It is an amenable number.

13454421 is a deficient number, since it is larger than the sum of its proper divisors (5325483).

13454421 is a wasteful number, since it uses less digits than its factorization.

13454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380.

The product of its digits is 1920, while the sum is 24.

The square root of 13454421 is about 3668.0268537730. The cubic root of 13454421 is about 237.8418847165.

Adding to 13454421 its reverse (12445431), we get a palindrome (25899852).

The spelling of 13454421 in words is "thirteen million, four hundred fifty-four thousand, four hundred twenty-one".