12152306 has 4 divisors (see below), whose sum is σ = 18228462. Its totient is φ = 6076152.

The previous prime is 12152299. The next prime is 12152321. The reversal of 12152306 is 60325121.

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., 11162281 + 990025 = 3341^2 + 995^2 .

It is a super-2 number, since 2×12152306² = 295357082235272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038075 + ... + 3038078.

Almost surely, 2^12152306 is an apocalyptic number.

12152306 is a deficient number, since it is larger than the sum of its proper divisors (6076156).

12152306 is an equidigital number, since it uses as much as digits as its factorization.

12152306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076155.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12152306 is about 3486.0157773596. The cubic root of 12152306 is about 229.9073729096.

Adding to 12152306 its reverse (60325121), we get a palindrome (72477427).

The spelling of 12152306 in words is "twelve million, one hundred fifty-two thousand, three hundred six".