12757045 has 16 divisors (see below), whose sum is σ = 17970048. Its totient is φ = 8510400.

The previous prime is 12756979. The next prime is 12757049. The reversal of 12757045 is 54075721.

It is not a de Polignac number, because 12757045 - 2⁷ = 12756917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12756998 and 12757016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757049) 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, 3631 + ... + 6220.

It is an arithmetic number, because the mean of its divisors is an integer number (1123128).

Almost surely, 2^12757045 is an apocalyptic number.

It is an amenable number.

12757045 is a deficient number, since it is larger than the sum of its proper divisors (5213003).

12757045 is an equidigital number, since it uses as much as digits as its factorization.

12757045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 12757045 is about 3571.7005753562. The cubic root of 12757045 is about 233.6594566728.

The spelling of 12757045 in words is "twelve million, seven hundred fifty-seven thousand, forty-five".