10391797 has 4 divisors (see below), whose sum is σ = 11191180. Its totient is φ = 9592416.

The previous prime is 10391761. The next prime is 10391807. The reversal of 10391797 is 79719301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2149156 + 8242641 = 1466^2 + 2871^2 .

It is a cyclic number.

It is not a de Polignac number, because 10391797 - 2¹⁵ = 10359029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399672 + ... + 399697.

It is an arithmetic number, because the mean of its divisors is an integer number (2797795).

Almost surely, 2^10391797 is an apocalyptic number.

It is an amenable number.

10391797 is a deficient number, since it is larger than the sum of its proper divisors (799383).

10391797 is an equidigital number, since it uses as much as digits as its factorization.

10391797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799382.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 10391797 is about 3223.6310272734. The cubic root of 10391797 is about 218.2211724413.

The spelling of 10391797 in words is "ten million, three hundred ninety-one thousand, seven hundred ninety-seven".