11597397 has 16 divisors (see below), whose sum is σ = 17746560. Its totient is φ = 6599232.

The previous prime is 11597393. The next prime is 11597423. The reversal of 11597397 is 79379511.

It is not a de Polignac number, because 11597397 - 2² = 11597393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11597393) 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 15 ways as a sum of consecutive naturals, for example, 4623 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (1109160).

Almost surely, 2^11597397 is an apocalyptic number.

It is an amenable number.

11597397 is a deficient number, since it is larger than the sum of its proper divisors (6149163).

11597397 is a wasteful number, since it uses less digits than its factorization.

11597397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its digits is 59535, while the sum is 42.

The square root of 11597397 is about 3405.4951181877. The cubic root of 11597397 is about 226.3533056922.

The spelling of 11597397 in words is "eleven million, five hundred ninety-seven thousand, three hundred ninety-seven".