12550842 has 32 divisors (see below), whose sum is σ = 28315200. Its totient is φ = 4119984.

The previous prime is 12550831. The next prime is 12550861. The reversal of 12550842 is 24805521.

It is a happy number.

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

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, 1884 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (884850).

Almost surely, 2^12550842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12550842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14157600).

12550842 is an abundant number, since it is smaller than the sum of its proper divisors (15764358).

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

12550842 is a wasteful number, since it uses less digits than its factorization.

12550842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 12550842 is about 3542.7167541309. The cubic root of 12550842 is about 232.3936662561.

The spelling of 12550842 in words is "twelve million, five hundred fifty thousand, eight hundred forty-two".