12630053 has 4 divisors (see below), whose sum is σ = 12685920. Its totient is φ = 12574188.

The previous prime is 12630029. The next prime is 12630067. The reversal of 12630053 is 35003621.

12630053 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35003621 = 157 ⋅222953.

It is a cyclic number.

It is not a de Polignac number, because 12630053 - 2¹² = 12625957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27593 + ... + 28046.

It is an arithmetic number, because the mean of its divisors is an integer number (3171480).

Almost surely, 2^12630053 is an apocalyptic number.

It is an amenable number.

12630053 is a deficient number, since it is larger than the sum of its proper divisors (55867).

12630053 is an equidigital number, since it uses as much as digits as its factorization.

12630053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55866.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 12630053 is about 3553.8785854331. The cubic root of 12630053 is about 232.8815364203.

Adding to 12630053 its reverse (35003621), we get a palindrome (47633674).

The spelling of 12630053 in words is "twelve million, six hundred thirty thousand, fifty-three".