12153346 has 4 divisors (see below), whose sum is σ = 18230022. Its totient is φ = 6076672.

The previous prime is 12153341. The next prime is 12153359. The reversal of 12153346 is 64335121.

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., 8637721 + 3515625 = 2939^2 + 1875^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12153346.

It is not an unprimeable number, because it can be changed into a prime (12153341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038335 + ... + 3038338.

Almost surely, 2^12153346 is an apocalyptic number.

12153346 is a deficient number, since it is larger than the sum of its proper divisors (6076676).

12153346 is an equidigital number, since it uses as much as digits as its factorization.

12153346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076675.

The product of its digits is 2160, while the sum is 25.

The square root of 12153346 is about 3486.1649415941. The cubic root of 12153346 is about 229.9139312491.

Adding to 12153346 its reverse (64335121), we get a palindrome (76488467).

The spelling of 12153346 in words is "twelve million, one hundred fifty-three thousand, three hundred forty-six".