12145750 has 32 divisors (see below), whose sum is σ = 23942880. Its totient is φ = 4600800.

The previous prime is 12145739. The next prime is 12145753. The reversal of 12145750 is 5754121.

12145750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3472 + ... + 6028.

It is an arithmetic number, because the mean of its divisors is an integer number (748215).

Almost surely, 2^12145750 is an apocalyptic number.

12145750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12145750 is a deficient number, since it is larger than the sum of its proper divisors (11797130).

12145750 is a wasteful number, since it uses less digits than its factorization.

12145750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593 (or 2583 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 12145750 is about 3485.0753219981. The cubic root of 12145750 is about 229.8660215296.

Adding to 12145750 its reverse (5754121), we get a palindrome (17899871).

The spelling of 12145750 in words is "twelve million, one hundred forty-five thousand, seven hundred fifty".