13321451 has 16 divisors (see below), whose sum is σ = 16477440. Its totient is φ = 10588320.

The previous prime is 13321447. The next prime is 13321459. The reversal of 13321451 is 15412331.

13321451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13321451 - 2² = 13321447 is a prime.

It is a super-2 number, since 2×13321451² = 354922113490802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321459) 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 15 ways as a sum of consecutive naturals, for example, 266 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (1029840).

Almost surely, 2^13321451 is an apocalyptic number.

13321451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13321451 is a deficient number, since it is larger than the sum of its proper divisors (3155989).

13321451 is a wasteful number, since it uses less digits than its factorization.

13321451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946.

The product of its digits is 360, while the sum is 20.

The square root of 13321451 is about 3649.8562985411. The cubic root of 13321451 is about 237.0557590443.

Adding to 13321451 its reverse (15412331), we get a palindrome (28733782).

The spelling of 13321451 in words is "thirteen million, three hundred twenty-one thousand, four hundred fifty-one".