11971337 has 6 divisors (see below), whose sum is σ = 13925898. Its totient is φ = 10261104.

The previous prime is 11971331. The next prime is 11971357. The reversal of 11971337 is 73317911.

11971337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 5900041 = 2464^2 + 2429^2 .

It is not a de Polignac number, because 11971337 - 2⁴ = 11971321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11971331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122108 + ... + 122205.

It is an arithmetic number, because the mean of its divisors is an integer number (2320983).

Almost surely, 2^11971337 is an apocalyptic number.

It is an amenable number.

11971337 is a deficient number, since it is larger than the sum of its proper divisors (1954561).

11971337 is an equidigital number, since it uses as much as digits as its factorization.

11971337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244327 (or 244320 counting only the distinct ones).

The product of its digits is 3969, while the sum is 32.

The square root of 11971337 is about 3459.9619940109. The cubic root of 11971337 is about 228.7604201610.

The spelling of 11971337 in words is "eleven million, nine hundred seventy-one thousand, three hundred thirty-seven".