12857901 has 16 divisors (see below), whose sum is σ = 20226048. Its totient is φ = 7110000.

The previous prime is 12857893. The next prime is 12857909. The reversal of 12857901 is 10975821.

12857901 = T₂₃₀ + T₂₃₁ + ... + T₄₄₆.

It is an interprime number because it is at equal distance from previous prime (12857893) and next prime (12857909).

It is not a de Polignac number, because 12857901 - 2³ = 12857893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9225 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (1264128).

Almost surely, 2^12857901 is an apocalyptic number.

It is an amenable number.

12857901 is a deficient number, since it is larger than the sum of its proper divisors (7368147).

12857901 is a wasteful number, since it uses less digits than its factorization.

12857901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19792.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 12857901 is about 3585.7915444153. The cubic root of 12857901 is about 234.2736042826.

The spelling of 12857901 in words is "twelve million, eight hundred fifty-seven thousand, nine hundred one".