12553330 has 8 divisors (see below), whose sum is σ = 22596012. Its totient is φ = 5021328.

The previous prime is 12553313. The next prime is 12553379. The reversal of 12553330 is 3335521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12369289 + 184041 = 3517^2 + 429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627657 + ... + 627676.

Almost surely, 2^12553330 is an apocalyptic number.

12553330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12553330 is a deficient number, since it is larger than the sum of its proper divisors (10042682).

12553330 is a wasteful number, since it uses less digits than its factorization.

12553330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255340.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 12553330 is about 3543.0678796772. The cubic root of 12553330 is about 232.4090213279.

Adding to 12553330 its reverse (3335521), we get a palindrome (15888851).

The spelling of 12553330 in words is "twelve million, five hundred fifty-three thousand, three hundred thirty".