12745997 has 8 divisors (see below), whose sum is σ = 13932000. Its totient is φ = 11564560.

The previous prime is 12745981. The next prime is 12746021. The reversal of 12745997 is 79954721.

12745997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12745997 - 2⁴ = 12745981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745097) 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, 7754 + ... + 9252.

It is an arithmetic number, because the mean of its divisors is an integer number (1741500).

Almost surely, 2^12745997 is an apocalyptic number.

It is an amenable number.

12745997 is a deficient number, since it is larger than the sum of its proper divisors (1186003).

12745997 is a wasteful number, since it uses less digits than its factorization.

12745997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its digits is 158760, while the sum is 44.

The square root of 12745997 is about 3570.1536381506. The cubic root of 12745997 is about 233.5919850588.

The spelling of 12745997 in words is "twelve million, seven hundred forty-five thousand, nine hundred ninety-seven".