11597131 has 16 divisors (see below), whose sum is σ = 14737408. Its totient is φ = 8877600.

The previous prime is 11597107. The next prime is 11597141. The reversal of 11597131 is 13179511.

It is a cyclic number.

It is not a de Polignac number, because 11597131 - 2¹³ = 11588939 is a prime.

It is a super-2 number, since 2×11597131² = 268986894862322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11597131.

It is not an unprimeable number, because it can be changed into a prime (11597101) 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, 766 + ... + 4876.

It is an arithmetic number, because the mean of its divisors is an integer number (921088).

Almost surely, 2^11597131 is an apocalyptic number.

11597131 is a deficient number, since it is larger than the sum of its proper divisors (3140277).

11597131 is a wasteful number, since it uses less digits than its factorization.

11597131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162.

The product of its digits is 945, while the sum is 28.

The square root of 11597131 is about 3405.4560634370. The cubic root of 11597131 is about 226.3515751188.

The spelling of 11597131 in words is "eleven million, five hundred ninety-seven thousand, one hundred thirty-one".