12572550 has 96 divisors (see below), whose sum is σ = 35414400. Its totient is φ = 3278880.

The previous prime is 12572533. The next prime is 12572551. The reversal of 12572550 is 5527521.

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 not an unprimeable number, because it can be changed into a prime (12572551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90381 + ... + 90519.

It is an arithmetic number, because the mean of its divisors is an integer number (368900).

Almost surely, 2^12572550 is an apocalyptic number.

12572550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12572550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17707200).

12572550 is an abundant number, since it is smaller than the sum of its proper divisors (22841850).

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

12572550 is a wasteful number, since it uses less digits than its factorization.

12572550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 12572550 is about 3545.7791809418. The cubic root of 12572550 is about 232.5275721723.

The spelling of 12572550 in words is "twelve million, five hundred seventy-two thousand, five hundred fifty".