12745137 has 8 divisors (see below), whose sum is σ = 17408160. Its totient is φ = 8289440.

The previous prime is 12745127. The next prime is 12745147. The reversal of 12745137 is 73154721.

12745137 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12745127) and next prime (12745147).

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 12745137 - 2⁷ = 12745009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12745127) 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, 51687 + ... + 51932.

It is an arithmetic number, because the mean of its divisors is an integer number (2176020).

Almost surely, 2^12745137 is an apocalyptic number.

It is an amenable number.

12745137 is a deficient number, since it is larger than the sum of its proper divisors (4663023).

12745137 is a wasteful number, since it uses less digits than its factorization.

12745137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103663.

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

The square root of 12745137 is about 3570.0331931230. The cubic root of 12745137 is about 233.5867312884.

Adding to 12745137 its reverse (73154721), we get a palindrome (85899858).

The spelling of 12745137 in words is "twelve million, seven hundred forty-five thousand, one hundred thirty-seven".