12698001 has 12 divisors (see below), whose sum is σ = 19139328. Its totient is φ = 8097144.

The previous prime is 12697999. The next prime is 12698009. The reversal of 12698001 is 10089621.

It is not a de Polignac number, because 12698001 - 2¹ = 12697999 is a prime.

It is a super-2 number, since 2×12698001² = 322478458792002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12698009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30465 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (1594944).

Almost surely, 2^12698001 is an apocalyptic number.

It is an amenable number.

12698001 is a deficient number, since it is larger than the sum of its proper divisors (6441327).

12698001 is a wasteful number, since it uses less digits than its factorization.

12698001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61372 (or 61369 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12698001 is about 3563.4254587405. The cubic root of 12698001 is about 233.2984135952.

The spelling of 12698001 in words is "twelve million, six hundred ninety-eight thousand, one".