39712497 has 12 divisors (see below), whose sum is σ = 57816336. Its totient is φ = 24046240.

The previous prime is 39712483. The next prime is 39712531. The reversal of 39712497 is 79421793.

It is not a de Polignac number, because 39712497 - 2¹¹ = 39710449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39712427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35653 + ... + 36749.

It is an arithmetic number, because the mean of its divisors is an integer number (4818028).

Almost surely, 2^39712497 is an apocalyptic number.

It is an amenable number.

39712497 is a deficient number, since it is larger than the sum of its proper divisors (18103839).

39712497 is an equidigital number, since it uses as much as digits as its factorization.

39712497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208 (or 1111 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 39712497 is about 6301.7852232522. The cubic root of 39712497 is about 341.1738463351.

The spelling of 39712497 in words is "thirty-nine million, seven hundred twelve thousand, four hundred ninety-seven".