13479146 has 4 divisors (see below), whose sum is σ = 20218722. Its totient is φ = 6739572.

The previous prime is 13479143. The next prime is 13479163. The reversal of 13479146 is 64197431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64197431 = 41 ⋅1565791.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 1500625 = 3461^2 + 1225^2 .

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 as a sum of consecutive naturals, namely, 3369785 + ... + 3369788.

Almost surely, 2^13479146 is an apocalyptic number.

13479146 is a deficient number, since it is larger than the sum of its proper divisors (6739576).

13479146 is an equidigital number, since it uses as much as digits as its factorization.

13479146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739575.

The product of its digits is 18144, while the sum is 35.

The square root of 13479146 is about 3671.3956474344. The cubic root of 13479146 is about 237.9874884556.

The spelling of 13479146 in words is "thirteen million, four hundred seventy-nine thousand, one hundred forty-six".