13319155 has 4 divisors (see below), whose sum is σ = 15982992. Its totient is φ = 10655320.

The previous prime is 13319129. The next prime is 13319203. The reversal of 13319155 is 55191331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55191331 = 13 ⋅4245487.

It is not a de Polignac number, because 13319155 - 2⁷ = 13319027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331911 + ... + 1331920.

It is an arithmetic number, because the mean of its divisors is an integer number (3995748).

Almost surely, 2^13319155 is an apocalyptic number.

13319155 is a deficient number, since it is larger than the sum of its proper divisors (2663837).

13319155 is an equidigital number, since it uses as much as digits as its factorization.

13319155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663836.

The product of its digits is 2025, while the sum is 28.

The square root of 13319155 is about 3649.5417520560. The cubic root of 13319155 is about 237.0421391242.

The spelling of 13319155 in words is "thirteen million, three hundred nineteen thousand, one hundred fifty-five".