13451530 has 8 divisors (see below), whose sum is σ = 24212772. Its totient is φ = 5380608.

The previous prime is 13451513. The next prime is 13451617. The reversal of 13451530 is 3515431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13111641 + 339889 = 3621^2 + 583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672567 + ... + 672586.

Almost surely, 2^13451530 is an apocalyptic number.

13451530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13451530 is a deficient number, since it is larger than the sum of its proper divisors (10761242).

13451530 is a wasteful number, since it uses less digits than its factorization.

13451530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345160.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13451530 is about 3667.6327515170. The cubic root of 13451530 is about 237.8248481814.

Adding to 13451530 its reverse (3515431), we get a palindrome (16966961).

The spelling of 13451530 in words is "thirteen million, four hundred fifty-one thousand, five hundred thirty".