12553126 has 4 divisors (see below), whose sum is σ = 18829692. Its totient is φ = 6276562.

The previous prime is 12553117. The next prime is 12553127. The reversal of 12553126 is 62135521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62135521 = 7 ⋅8876503.

It is a self number, because there is not a number n which added to its sum of digits gives 12553126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138280 + ... + 3138283.

It is an arithmetic number, because the mean of its divisors is an integer number (4707423).

Almost surely, 2^12553126 is an apocalyptic number.

12553126 is a deficient number, since it is larger than the sum of its proper divisors (6276566).

12553126 is an equidigital number, since it uses as much as digits as its factorization.

12553126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276565.

The product of its digits is 1800, while the sum is 25.

The square root of 12553126 is about 3543.0390909500. The cubic root of 12553126 is about 232.4077623871.

Adding to 12553126 its reverse (62135521), we get a palindrome (74688647).

The spelling of 12553126 in words is "twelve million, five hundred fifty-three thousand, one hundred twenty-six".