13442305 has 8 divisors (see below), whose sum is σ = 16196544. Its totient is φ = 10710000.

The previous prime is 13442287. The next prime is 13442309. The reversal of 13442305 is 50324431.

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

It is not a de Polignac number, because 13442305 - 2²¹ = 11345153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13442309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4101 + ... + 6610.

It is an arithmetic number, because the mean of its divisors is an integer number (2024568).

Almost surely, 2^13442305 is an apocalyptic number.

It is an amenable number.

13442305 is a deficient number, since it is larger than the sum of its proper divisors (2754239).

13442305 is a wasteful number, since it uses less digits than its factorization.

13442305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13442305 is about 3666.3749126351. The cubic root of 13442305 is about 237.7704693376.

Adding to 13442305 its reverse (50324431), we get a palindrome (63766736).

The spelling of 13442305 in words is "thirteen million, four hundred forty-two thousand, three hundred five".