12145701 has 8 divisors (see below), whose sum is σ = 17146944. Its totient is φ = 7620800.

The previous prime is 12145699. The next prime is 12145703. The reversal of 12145701 is 10754121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12145699) and next prime (12145703).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12145701 - 2¹ = 12145699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119025 + ... + 119126.

It is an arithmetic number, because the mean of its divisors is an integer number (2143368).

Almost surely, 2^12145701 is an apocalyptic number.

It is an amenable number.

12145701 is a deficient number, since it is larger than the sum of its proper divisors (5001243).

12145701 is a wasteful number, since it uses less digits than its factorization.

12145701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238171.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12145701 is about 3485.0682920138. The cubic root of 12145701 is about 229.8657124105.

Adding to 12145701 its reverse (10754121), we get a palindrome (22899822).

The spelling of 12145701 in words is "twelve million, one hundred forty-five thousand, seven hundred one".