12553116 has 24 divisors (see below), whose sum is σ = 29428224. Its totient is φ = 4164720.

The previous prime is 12553111. The next prime is 12553117. The reversal of 12553116 is 61135521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331 + ... + 5021.

It is an arithmetic number, because the mean of its divisors is an integer number (1226176).

Almost surely, 2^12553116 is an apocalyptic number.

It is an amenable number.

12553116 is an abundant number, since it is smaller than the sum of its proper divisors (16875108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12553116 is a wasteful number, since it uses less digits than its factorization.

12553116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921 (or 4919 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 12553116 is about 3543.0376797319. The cubic root of 12553116 is about 232.4077006739.

Adding to 12553116 its reverse (61135521), we get a palindrome (73688637).

It can be divided in two parts, 1255 and 3116, that added together give a triangular number (4371 = T₉₃).

The spelling of 12553116 in words is "twelve million, five hundred fifty-three thousand, one hundred sixteen".