13454420 has 36 divisors (see below), whose sum is σ = 32869620. Its totient is φ = 4612608.

The previous prime is 13454401. The next prime is 13454423. The reversal of 13454420 is 2445431.

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 8561476 = 2212^2 + 2926^2 .

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5885 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (913045).

Almost surely, 2^13454420 is an apocalyptic number.

13454420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13454420 is an abundant number, since it is smaller than the sum of its proper divisors (19415200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13454420 is a wasteful number, since it uses less digits than its factorization.

13454420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13752 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13454420 is about 3668.0267174599. The cubic root of 13454420 is about 237.8418788239.

Adding to 13454420 its reverse (2445431), we get a palindrome (15899851).

The spelling of 13454420 in words is "thirteen million, four hundred fifty-four thousand, four hundred twenty".