13273149 has 4 divisors (see below), whose sum is σ = 17697536. Its totient is φ = 8848764.

The previous prime is 13273147. The next prime is 13273159. The reversal of 13273149 is 94137231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13273149 - 2¹ = 13273147 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 (13273147) 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, 2212189 + ... + 2212194.

It is an arithmetic number, because the mean of its divisors is an integer number (4424384).

Almost surely, 2^13273149 is an apocalyptic number.

It is an amenable number.

13273149 is a deficient number, since it is larger than the sum of its proper divisors (4424387).

13273149 is an equidigital number, since it uses as much as digits as its factorization.

13273149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424386.

The product of its digits is 4536, while the sum is 30.

The square root of 13273149 is about 3643.2333167120. The cubic root of 13273149 is about 236.7689000447.

The spelling of 13273149 in words is "thirteen million, two hundred seventy-three thousand, one hundred forty-nine".