13442191 has 8 divisors (see below), whose sum is σ = 15515424. Its totient is φ = 11407200.

The previous prime is 13442179. The next prime is 13442201. The reversal of 13442191 is 19124431.

It is a happy number.

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

It is not a de Polignac number, because 13442191 - 2¹³ = 13433999 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 (13442111) 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 7 ways as a sum of consecutive naturals, for example, 8800 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (1939428).

Almost surely, 2^13442191 is an apocalyptic number.

13442191 is a deficient number, since it is larger than the sum of its proper divisors (2073233).

13442191 is a wasteful number, since it uses less digits than its factorization.

13442191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19121.

The product of its digits is 864, while the sum is 25.

The square root of 13442191 is about 3666.3593659105. The cubic root of 13442191 is about 237.7697971833.

The spelling of 13442191 in words is "thirteen million, four hundred forty-two thousand, one hundred ninety-one".