13340451 has 8 divisors (see below), whose sum is σ = 18723520. Its totient is φ = 8425512.

The previous prime is 13340443. The next prime is 13340473. The reversal of 13340451 is 15404331.

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

It is not a de Polignac number, because 13340451 - 2³ = 13340443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340491) 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 7 ways as a sum of consecutive naturals, for example, 116965 + ... + 117078.

It is an arithmetic number, because the mean of its divisors is an integer number (2340440).

Almost surely, 2^13340451 is an apocalyptic number.

13340451 is a deficient number, since it is larger than the sum of its proper divisors (5383069).

13340451 is a wasteful number, since it uses less digits than its factorization.

13340451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234065.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13340451 is about 3652.4582133133. The cubic root of 13340451 is about 237.1684074282.

Adding to 13340451 its reverse (15404331), we get a palindrome (28744782).

The spelling of 13340451 in words is "thirteen million, three hundred forty thousand, four hundred fifty-one".