12395745 has 12 divisors (see below), whose sum is σ = 21486036. Its totient is φ = 6611040.

The previous prime is 12395743. The next prime is 12395759. The reversal of 12395745 is 54759321.

12395745 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 can be written as a sum of positive squares in 2 ways, for example, as 5089536 + 7306209 = 2256^2 + 2703^2 .

It is not a de Polignac number, because 12395745 - 2¹ = 12395743 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12395743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137686 + ... + 137775.

It is an arithmetic number, because the mean of its divisors is an integer number (1790503).

Almost surely, 2^12395745 is an apocalyptic number.

12395745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12395745 is a deficient number, since it is larger than the sum of its proper divisors (9090291).

12395745 is a wasteful number, since it uses less digits than its factorization.

12395745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275472 (or 275469 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 12395745 is about 3520.7591510923. The cubic root of 12395745 is about 231.4324277560.

The spelling of 12395745 in words is "twelve million, three hundred ninety-five thousand, seven hundred forty-five".