13250066 has 4 divisors (see below), whose sum is σ = 19875102. Its totient is φ = 6625032.

The previous prime is 13250009. The next prime is 13250101. The reversal of 13250066 is 66005231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12924025 + 326041 = 3595^2 + 571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312515 + ... + 3312518.

Almost surely, 2^13250066 is an apocalyptic number.

13250066 is a deficient number, since it is larger than the sum of its proper divisors (6625036).

13250066 is an equidigital number, since it uses as much as digits as its factorization.

13250066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625035.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13250066 is about 3640.0640104262. The cubic root of 13250066 is about 236.6315674546.

Adding to 13250066 its reverse (66005231), we get a palindrome (79255297).

The spelling of 13250066 in words is "thirteen million, two hundred fifty thousand, sixty-six".