12971752 has 8 divisors (see below), whose sum is σ = 24322050. Its totient is φ = 6485872.

The previous prime is 12971743. The next prime is 12971797. The reversal of 12971752 is 25717921.

It can be written as a sum of positive squares in only one way, i.e., 11792356 + 1179396 = 3434^2 + 1086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810727 + ... + 810742.

Almost surely, 2^12971752 is an apocalyptic number.

It is an amenable number.

12971752 is a deficient number, since it is larger than the sum of its proper divisors (11350298).

12971752 is a wasteful number, since it uses less digits than its factorization.

12971752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621475 (or 1621471 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The square root of 12971752 is about 3601.6318523691. The cubic root of 12971752 is about 234.9630362867.

The spelling of 12971752 in words is "twelve million, nine hundred seventy-one thousand, seven hundred fifty-two".