11930997 has 32 divisors (see below), whose sum is σ = 18321408. Its totient is φ = 6849216.

The previous prime is 11930987. The next prime is 11930999. The reversal of 11930997 is 79903911.

It is not a de Polignac number, because 11930997 - 2⁷ = 11930869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11930999) 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 31 ways as a sum of consecutive naturals, for example, 42018 + ... + 42300.

It is an arithmetic number, because the mean of its divisors is an integer number (572544).

Almost surely, 2^11930997 is an apocalyptic number.

It is an amenable number.

11930997 is a deficient number, since it is larger than the sum of its proper divisors (6390411).

11930997 is a wasteful number, since it uses less digits than its factorization.

11930997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 11930997 is about 3454.1275309403. The cubic root of 11930997 is about 228.5031784883.

The spelling of 11930997 in words is "eleven million, nine hundred thirty thousand, nine hundred ninety-seven".