12554322 has 64 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 3594240.

The previous prime is 12554317. The next prime is 12554327. The reversal of 12554322 is 22345521.

12554322 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12554317) and next prime (12554327).

It is a super-2 number, since 2×12554322² = 315222001759368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12554292 and 12554301.

It is not an unprimeable number, because it can be changed into a prime (12554327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129378 + ... + 129474.

It is an arithmetic number, because the mean of its divisors is an integer number (452466).

Almost surely, 2^12554322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12554322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14478912).

12554322 is an abundant number, since it is smaller than the sum of its proper divisors (16403502).

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

12554322 is a wasteful number, since it uses less digits than its factorization.

12554322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its digits is 2400, while the sum is 24.

The square root of 12554322 is about 3543.2078685846. The cubic root of 12554322 is about 232.4151430416.

Adding to 12554322 its reverse (22345521), we get a palindrome (34899843).

The spelling of 12554322 in words is "twelve million, five hundred fifty-four thousand, three hundred twenty-two".