12554622 has 32 divisors (see below), whose sum is σ = 28864800. Its totient is φ = 4040064.

The previous prime is 12554579. The next prime is 12554623. The reversal of 12554622 is 22645521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2443 + ... + 5574.

It is an arithmetic number, because the mean of its divisors is an integer number (902025).

Almost surely, 2^12554622 is an apocalyptic number.

12554622 is an abundant number, since it is smaller than the sum of its proper divisors (16310178).

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

12554622 is a wasteful number, since it uses less digits than its factorization.

12554622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8057 (or 8051 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 12554622 is about 3543.2502028505. The cubic root of 12554622 is about 232.4169943028.

The spelling of 12554622 in words is "twelve million, five hundred fifty-four thousand, six hundred twenty-two".