12733971 has 8 divisors (see below), whose sum is σ = 17872320. Its totient is φ = 8042472.

The previous prime is 12733961. The next prime is 12733997. The reversal of 12733971 is 17933721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12733971 - 2⁷ = 12733843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12733961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111645 + ... + 111758.

It is an arithmetic number, because the mean of its divisors is an integer number (2234040).

Almost surely, 2^12733971 is an apocalyptic number.

12733971 is a deficient number, since it is larger than the sum of its proper divisors (5138349).

12733971 is a wasteful number, since it uses less digits than its factorization.

12733971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223425.

The product of its digits is 7938, while the sum is 33.

The square root of 12733971 is about 3568.4689994450. The cubic root of 12733971 is about 233.5184963346.

The spelling of 12733971 in words is "twelve million, seven hundred thirty-three thousand, nine hundred seventy-one".