12145737 has 8 divisors (see below), whose sum is σ = 16571104. Its totient is φ = 7908768.

The previous prime is 12145733. The next prime is 12145739. The reversal of 12145737 is 73754121.

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

It is not a de Polignac number, because 12145737 - 2² = 12145733 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12145733) 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, 46948 + ... + 47205.

It is an arithmetic number, because the mean of its divisors is an integer number (2071388).

Almost surely, 2^12145737 is an apocalyptic number.

It is an amenable number.

12145737 is a deficient number, since it is larger than the sum of its proper divisors (4425367).

12145737 is an equidigital number, since it uses as much as digits as its factorization.

12145737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94199.

The product of its digits is 5880, while the sum is 30.

The square root of 12145737 is about 3485.0734569016. The cubic root of 12145737 is about 229.8659395185.

Adding to 12145737 its reverse (73754121), we get a palindrome (85899858).

The spelling of 12145737 in words is "twelve million, one hundred forty-five thousand, seven hundred thirty-seven".