12545850 has 24 divisors (see below), whose sum is σ = 31114080. Its totient is φ = 3345520.

The previous prime is 12545843. The next prime is 12545861. The reversal of 12545850 is 5854521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41670 + ... + 41969.

It is an arithmetic number, because the mean of its divisors is an integer number (1296420).

Almost surely, 2^12545850 is an apocalyptic number.

12545850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12545850 is an abundant number, since it is smaller than the sum of its proper divisors (18568230).

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

12545850 is a wasteful number, since it uses less digits than its factorization.

12545850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83654 (or 83649 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 12545850 is about 3542.0121400131. The cubic root of 12545850 is about 232.3628512445.

The spelling of 12545850 in words is "twelve million, five hundred forty-five thousand, eight hundred fifty".