13340837 has 4 divisors (see below), whose sum is σ = 13463340. Its totient is φ = 13218336.

The previous prime is 13340813. The next prime is 13340849. The reversal of 13340837 is 73804331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73804331 = 6547 ⋅11273.

It can be written as a sum of positive squares in 2 ways, for example, as 7431076 + 5909761 = 2726^2 + 2431^2 .

It is a cyclic number.

It is not a de Polignac number, because 13340837 - 2⁸ = 13340581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340807) 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 3 ways as a sum of consecutive naturals, for example, 61088 + ... + 61305.

It is an arithmetic number, because the mean of its divisors is an integer number (3365835).

Almost surely, 2^13340837 is an apocalyptic number.

It is an amenable number.

13340837 is a deficient number, since it is larger than the sum of its proper divisors (122503).

13340837 is a wasteful number, since it uses less digits than its factorization.

13340837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122502.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13340837 is about 3652.5110540558. The cubic root of 13340837 is about 237.1706948602.

The spelling of 13340837 in words is "thirteen million, three hundred forty thousand, eight hundred thirty-seven".