13409846 has 4 divisors (see below), whose sum is σ = 20114772. Its totient is φ = 6704922.

The previous prime is 13409843. The next prime is 13409867. The reversal of 13409846 is 64890431.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409843) 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 as a sum of consecutive naturals, namely, 3352460 + ... + 3352463.

It is an arithmetic number, because the mean of its divisors is an integer number (5028693).

Almost surely, 2^13409846 is an apocalyptic number.

13409846 is a deficient number, since it is larger than the sum of its proper divisors (6704926).

13409846 is an equidigital number, since it uses as much as digits as its factorization.

13409846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704925.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 13409846 is about 3661.9456577071. The cubic root of 13409846 is about 237.5789344276.

The spelling of 13409846 in words is "thirteen million, four hundred nine thousand, eight hundred forty-six".