12401806 has 8 divisors (see below), whose sum is σ = 19697040. Its totient is φ = 5836128.

The previous prime is 12401791. The next prime is 12401819. The reversal of 12401806 is 60810421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182346 + ... + 182413.

It is an arithmetic number, because the mean of its divisors is an integer number (2462130).

Almost surely, 2^12401806 is an apocalyptic number.

12401806 is a deficient number, since it is larger than the sum of its proper divisors (7295234).

12401806 is a wasteful number, since it uses less digits than its factorization.

12401806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364778.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 12401806 is about 3521.6197977635. The cubic root of 12401806 is about 231.4701418636.

The spelling of 12401806 in words is "twelve million, four hundred one thousand, eight hundred six".