13628066 has 8 divisors (see below), whose sum is σ = 20546460. Its totient is φ = 6779248.

The previous prime is 13628063. The next prime is 13628081. The reversal of 13628066 is 66082631.

It can be written as a sum of positive squares in 2 ways, for example, as 13579225 + 48841 = 3685^2 + 221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13628063) 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, 16901 + ... + 17688.

Almost surely, 2^13628066 is an apocalyptic number.

13628066 is a deficient number, since it is larger than the sum of its proper divisors (6918394).

13628066 is a wasteful number, since it uses less digits than its factorization.

13628066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34788.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 13628066 is about 3691.6210531418. The cubic root of 13628066 is about 238.8607231100.

The spelling of 13628066 in words is "thirteen million, six hundred twenty-eight thousand, sixty-six".