12857801 has 8 divisors (see below), whose sum is σ = 14121408. Its totient is φ = 11610000.

The previous prime is 12857791. The next prime is 12857827. The reversal of 12857801 is 10875821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12857801 - 2¹⁴ = 12841417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12857881) 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, 2210 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (1765176).

Almost surely, 2^12857801 is an apocalyptic number.

12857801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12857801 is a deficient number, since it is larger than the sum of its proper divisors (1263607).

12857801 is a wasteful number, since it uses less digits than its factorization.

12857801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12857801 is about 3585.7776004655. Note that the first 3 decimals coincide. The cubic root of 12857801 is about 234.2729969408.

The spelling of 12857801 in words is "twelve million, eight hundred fifty-seven thousand, eight hundred one".