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12970951 = 71939601
BaseRepresentation
bin110001011110…
…101111000111
3220101222210121
4301132233013
511310032301
61142002411
7215152120
oct61365707
926358717
1012970951
11735a2a4
124416407
1328c1c26
141a19047
1512133a1
hexc5ebc7

12970951 has 8 divisors (see below), whose sum is σ = 14902304. Its totient is φ = 11059200.

The previous prime is 12970943. The next prime is 12970961. The reversal of 12970951 is 15907921.

12970951 is nontrivially palindromic in base 6.

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

It is a 14-Lehmer number, since φ(12970951) divides (12970951-1)14.

It is a cyclic number.

It is not a de Polignac number, because 12970951 - 23 = 12970943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970921) 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, 3450 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (1862788).

Almost surely, 212970951 is an apocalyptic number.

12970951 is a deficient number, since it is larger than the sum of its proper divisors (1931353).

12970951 is an equidigital number, since it uses as much as digits as its factorization.

12970951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9801.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 12970951 is about 3601.5206510584. The cubic root of 12970951 is about 234.9581998990.

The spelling of 12970951 in words is "twelve million, nine hundred seventy thousand, nine hundred fifty-one".

Divisors: 1 7 193 1351 9601 67207 1852993 12970951