12400846 has 16 divisors (see below), whose sum is σ = 19286064. Its totient is φ = 5975424.

The previous prime is 12400793. The next prime is 12400847. The reversal of 12400846 is 64800421.

It is a self number, because there is not a number n which added to its sum of digits gives 12400846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400847) 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, 7621 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (1205379).

Almost surely, 2^12400846 is an apocalyptic number.

12400846 is a deficient number, since it is larger than the sum of its proper divisors (6885218).

12400846 is a wasteful number, since it uses less digits than its factorization.

12400846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12400846 is about 3521.4834942109. The cubic root of 12400846 is about 231.4641691564.

The spelling of 12400846 in words is "twelve million, four hundred thousand, eight hundred forty-six".