12851797 has 8 divisors (see below), whose sum is σ = 15029696. Its totient is φ = 10759392.

The previous prime is 12851791. The next prime is 12851831. The reversal of 12851797 is 79715821.

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

It is not a de Polignac number, because 12851797 - 2²³ = 4463189 is a prime.

It is a super-2 number, since 2×12851797² = 330337372258418, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12851791) 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, 21048 + ... + 21649.

It is an arithmetic number, because the mean of its divisors is an integer number (1878712).

Almost surely, 2^12851797 is an apocalyptic number.

It is an amenable number.

12851797 is a deficient number, since it is larger than the sum of its proper divisors (2177899).

12851797 is an equidigital number, since it uses as much as digits as its factorization.

12851797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42747.

The product of its digits is 35280, while the sum is 40.

The square root of 12851797 is about 3584.9403063371. The cubic root of 12851797 is about 234.2365263689.

The spelling of 12851797 in words is "twelve million, eight hundred fifty-one thousand, seven hundred ninety-seven".