13442961 has 16 divisors (see below), whose sum is σ = 20962304. Its totient is φ = 7502544.

The previous prime is 13442959. The next prime is 13442963. The reversal of 13442961 is 16924431.

It is an interprime number because it is at equal distance from previous prime (13442959) and next prime (13442963).

It is not a de Polignac number, because 13442961 - 2¹ = 13442959 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13442963) 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 in 15 ways as a sum of consecutive naturals, for example, 6541 + ... + 8346.

It is an arithmetic number, because the mean of its divisors is an integer number (1310144).

Almost surely, 2^13442961 is an apocalyptic number.

It is an amenable number.

13442961 is a deficient number, since it is larger than the sum of its proper divisors (7519343).

13442961 is a wasteful number, since it uses less digits than its factorization.

13442961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14940.

The product of its digits is 5184, while the sum is 30.

The square root of 13442961 is about 3666.4643732075. The cubic root of 13442961 is about 237.7743370992.

The spelling of 13442961 in words is "thirteen million, four hundred forty-two thousand, nine hundred sixty-one".