13479149 has 4 divisors (see below), whose sum is σ = 13487136. Its totient is φ = 13471164.

The previous prime is 13479143. The next prime is 13479163. The reversal of 13479149 is 94197431.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94197431 = 7723 ⋅12197.

It is a cyclic number.

It is not a de Polignac number, because 13479149 - 2⁴ = 13479133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13479143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359 + ... + 5204.

It is an arithmetic number, because the mean of its divisors is an integer number (3371784).

Almost surely, 2^13479149 is an apocalyptic number.

It is an amenable number.

13479149 is a deficient number, since it is larger than the sum of its proper divisors (7987).

13479149 is an equidigital number, since it uses as much as digits as its factorization.

13479149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986.

The product of its digits is 27216, while the sum is 38.

The square root of 13479149 is about 3671.3960559983. The cubic root of 13479149 is about 237.9875061116.

The spelling of 13479149 in words is "thirteen million, four hundred seventy-nine thousand, one hundred forty-nine".