13152266 has 4 divisors (see below), whose sum is σ = 19728402. Its totient is φ = 6576132.

The previous prime is 13152259. The next prime is 13152287. The reversal of 13152266 is 66225131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66225131 = 7 ⋅9460733.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 4713241 = 2905^2 + 2171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288065 + ... + 3288068.

Almost surely, 2^13152266 is an apocalyptic number.

13152266 is a deficient number, since it is larger than the sum of its proper divisors (6576136).

13152266 is an equidigital number, since it uses as much as digits as its factorization.

13152266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576135.

The product of its digits is 2160, while the sum is 26.

The square root of 13152266 is about 3626.6052997259. The cubic root of 13152266 is about 236.0479290761.

Adding to 13152266 its reverse (66225131), we get a palindrome (79377397).

The spelling of 13152266 in words is "thirteen million, one hundred fifty-two thousand, two hundred sixty-six".