12535870 has 8 divisors (see below), whose sum is σ = 22564584. Its totient is φ = 5014344.

The previous prime is 12535843. The next prime is 12535871. The reversal of 12535870 is 7853521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626784 + ... + 626803.

It is an arithmetic number, because the mean of its divisors is an integer number (2820573).

Almost surely, 2^12535870 is an apocalyptic number.

12535870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12535870 is a deficient number, since it is larger than the sum of its proper divisors (10028714).

12535870 is a wasteful number, since it uses less digits than its factorization.

12535870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253594.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 12535870 is about 3540.6030559779. The cubic root of 12535870 is about 232.3012213980.

The spelling of 12535870 in words is "twelve million, five hundred thirty-five thousand, eight hundred seventy".