11497797 has 12 divisors (see below), whose sum is σ = 17585100. Its totient is φ = 7214208.

The previous prime is 11497789. The next prime is 11497799. The reversal of 11497797 is 79779411.

It can be written as a sum of positive squares in 2 ways, for example, as 3663396 + 7834401 = 1914^2 + 2799^2 .

It is not a de Polignac number, because 11497797 - 2³ = 11497789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11497799) 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 11 ways as a sum of consecutive naturals, for example, 37422 + ... + 37727.

It is an arithmetic number, because the mean of its divisors is an integer number (1465425).

Almost surely, 2^11497797 is an apocalyptic number.

11497797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11497797 is a deficient number, since it is larger than the sum of its proper divisors (6087303).

11497797 is a wasteful number, since it uses less digits than its factorization.

11497797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75172 (or 75169 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 11497797 is about 3390.8401613759. The cubic root of 11497797 is about 225.7034576222.

The spelling of 11497797 in words is "eleven million, four hundred ninety-seven thousand, seven hundred ninety-seven".