13004386 has 4 divisors (see below), whose sum is σ = 19506582. Its totient is φ = 6502192.

The previous prime is 13004377. The next prime is 13004389. The reversal of 13004386 is 68340031.

13004386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68340031 = 3733 ⋅18307.

It can be written as a sum of positive squares in only one way, i.e., 7458361 + 5546025 = 2731^2 + 2355^2 .

It is a super-2 number, since 2×13004386² = 338228110473992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13004386.

It is not an unprimeable number, because it can be changed into a prime (13004389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3251095 + ... + 3251098.

Almost surely, 2^13004386 is an apocalyptic number.

13004386 is a deficient number, since it is larger than the sum of its proper divisors (6502196).

13004386 is an equidigital number, since it uses as much as digits as its factorization.

13004386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502195.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13004386 is about 3606.1594529360. The cubic root of 13004386 is about 235.1599092704.

The spelling of 13004386 in words is "thirteen million, four thousand, three hundred eighty-six".