13442303 has 16 divisors (see below), whose sum is σ = 15738624. Its totient is φ = 11244480.

The previous prime is 13442287. The next prime is 13442309. The reversal of 13442303 is 30324431.

It is a cyclic number.

It is not a de Polignac number, because 13442303 - 2⁴ = 13442287 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 (13442309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98051 + ... + 98187.

It is an arithmetic number, because the mean of its divisors is an integer number (983664).

Almost surely, 2^13442303 is an apocalyptic number.

13442303 is a deficient number, since it is larger than the sum of its proper divisors (2296321).

13442303 is a wasteful number, since it uses less digits than its factorization.

13442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13442303 is about 3666.3746398861. The cubic root of 13442303 is about 237.7704575455.

Adding to 13442303 its reverse (30324431), we get a palindrome (43766734).

The spelling of 13442303 in words is "thirteen million, four hundred forty-two thousand, three hundred three".