12145582 has 16 divisors (see below), whose sum is σ = 19392912. Its totient is φ = 5685120.

The previous prime is 12145571. The next prime is 12145589. The reversal of 12145582 is 28554121.

It is a self number, because there is not a number n which added to its sum of digits gives 12145582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6328 + ... + 8020.

It is an arithmetic number, because the mean of its divisors is an integer number (1212057).

Almost surely, 2^12145582 is an apocalyptic number.

12145582 is a deficient number, since it is larger than the sum of its proper divisors (7247330).

12145582 is a wasteful number, since it uses less digits than its factorization.

12145582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923.

The product of its digits is 3200, while the sum is 28.

The square root of 12145582 is about 3485.0512191358. The cubic root of 12145582 is about 229.8649616892.

The spelling of 12145582 in words is "twelve million, one hundred forty-five thousand, five hundred eighty-two".