12970251 has 18 divisors (see below), whose sum is σ = 21794292. Its totient is φ = 7411320.

The previous prime is 12970249. The next prime is 12970259. The reversal of 12970251 is 15207921.

12970251 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12970251 - 2¹ = 12970249 is a prime.

It is a super-2 number, since 2×12970251² = 336454822006002, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12970259) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14265 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (1210794).

Almost surely, 2^12970251 is an apocalyptic number.

12970251 is a deficient number, since it is larger than the sum of its proper divisors (8824041).

12970251 is a wasteful number, since it uses less digits than its factorization.

12970251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29431 (or 29421 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 12970251 is about 3601.4234685746. The cubic root of 12970251 is about 234.9539731799.

Subtracting 12970251 from its reverse (15207921), we obtain a triangular number (2237670 = T₂₁₁₅).

The spelling of 12970251 in words is "twelve million, nine hundred seventy thousand, two hundred fifty-one".