13409299 has 4 divisors (see below), whose sum is σ = 13992336. Its totient is φ = 12826264.

The previous prime is 13409287. The next prime is 13409303. The reversal of 13409299 is 99290431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99290431 = 5879 ⋅16889.

It is a cyclic number.

It is not a de Polignac number, because 13409299 - 2¹³ = 13401107 is a prime.

It is a super-3 number, since 3×13409299³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13401299) 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, 291484 + ... + 291529.

It is an arithmetic number, because the mean of its divisors is an integer number (3498084).

Almost surely, 2^13409299 is an apocalyptic number.

13409299 is a deficient number, since it is larger than the sum of its proper divisors (583037).

13409299 is an equidigital number, since it uses as much as digits as its factorization.

13409299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583036.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 13409299 is about 3661.8709698732. The cubic root of 13409299 is about 237.5757040290.

The spelling of 13409299 in words is "thirteen million, four hundred nine thousand, two hundred ninety-nine".