11957371 has 4 divisors (see below), whose sum is σ = 11968000. Its totient is φ = 11946744.

The previous prime is 11957369. The next prime is 11957377. The reversal of 11957371 is 17375911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11957371 - 2¹ = 11957369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11957377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3396 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (2992000).

Almost surely, 2^11957371 is an apocalyptic number.

11957371 is a deficient number, since it is larger than the sum of its proper divisors (10629).

11957371 is an equidigital number, since it uses as much as digits as its factorization.

11957371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628.

The product of its digits is 6615, while the sum is 34.

The square root of 11957371 is about 3457.9431747789. The cubic root of 11957371 is about 228.6714267251.

The spelling of 11957371 in words is "eleven million, nine hundred fifty-seven thousand, three hundred seventy-one".