12554740 has 48 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 4522880.

The previous prime is 12554723. The next prime is 12554761. The reversal of 12554740 is 4745521.

It is a junction number, because it is equal to n+sod(n) for n = 12554699 and 12554708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32589 + ... + 32971.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^12554740 is an apocalyptic number.

12554740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12554740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

12554740 is an abundant number, since it is smaller than the sum of its proper divisors (16475660).

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

12554740 is a wasteful number, since it uses less digits than its factorization.

12554740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 12554740 is about 3543.2668541898. The cubic root of 12554740 is about 232.4177224574.

It can be divided in two parts, 1255 and 4740, that added together give a palindrome (5995).

The spelling of 12554740 in words is "twelve million, five hundred fifty-four thousand, seven hundred forty".