13042319 has 4 divisors (see below), whose sum is σ = 13049544. Its totient is φ = 13035096.

The previous prime is 13042313. The next prime is 13042321. The reversal of 13042319 is 91324031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13042319 - 2²⁰ = 11993743 is a prime.

It is a super-2 number, since 2×13042319² = 340204169795522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13042294 and 13042303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (3262386).

Almost surely, 2^13042319 is an apocalyptic number.

13042319 is a deficient number, since it is larger than the sum of its proper divisors (7225).

13042319 is an equidigital number, since it uses as much as digits as its factorization.

13042319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13042319 is about 3611.4150966069. The cubic root of 13042319 is about 235.3883363442.

The spelling of 13042319 in words is "thirteen million, forty-two thousand, three hundred nineteen".