13837066 has 4 divisors (see below), whose sum is σ = 20755602. Its totient is φ = 6918532.

The previous prime is 13837063. The next prime is 13837069. The reversal of 13837066 is 66073831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66073831 = 2081 ⋅31751.

It is an interprime number because it is at equal distance from previous prime (13837063) and next prime (13837069).

It can be written as a sum of positive squares in only one way, i.e., 13653025 + 184041 = 3695^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (13837063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459265 + ... + 3459268.

Almost surely, 2^13837066 is an apocalyptic number.

13837066 is a deficient number, since it is larger than the sum of its proper divisors (6918536).

13837066 is an equidigital number, since it uses as much as digits as its factorization.

13837066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918535.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13837066 is about 3719.8206946034. The cubic root of 13837066 is about 240.0755896160.

The spelling of 13837066 in words is "thirteen million, eight hundred thirty-seven thousand, sixty-six".