12554361 has 24 divisors (see below), whose sum is σ = 18982080. Its totient is φ = 7985376.

The previous prime is 12554329. The next prime is 12554363. The reversal of 12554361 is 16345521.

It is not a de Polignac number, because 12554361 - 2⁵ = 12554329 is a prime.

It is a super-2 number, since 2×12554361² = 315223960236642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26650 + ... + 27116.

It is an arithmetic number, because the mean of its divisors is an integer number (790920).

Almost surely, 2^12554361 is an apocalyptic number.

It is an amenable number.

12554361 is a deficient number, since it is larger than the sum of its proper divisors (6427719).

12554361 is a wasteful number, since it uses less digits than its factorization.

12554361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 602 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 12554361 is about 3543.2133720678. The cubic root of 12554361 is about 232.4153837072.

Adding to 12554361 its reverse (16345521), we get a palindrome (28899882).

The spelling of 12554361 in words is "twelve million, five hundred fifty-four thousand, three hundred sixty-one".