12400894 has 16 divisors (see below), whose sum is σ = 20346480. Its totient is φ = 5621760.

The previous prime is 12400889. The next prime is 12400897. The reversal of 12400894 is 49800421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400897) 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, 15742 + ... + 16510.

It is an arithmetic number, because the mean of its divisors is an integer number (1271655).

Almost surely, 2^12400894 is an apocalyptic number.

12400894 is a deficient number, since it is larger than the sum of its proper divisors (7945586).

12400894 is a wasteful number, since it uses less digits than its factorization.

12400894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12400894 is about 3521.4903095139. The cubic root of 12400894 is about 231.4644677991.

The spelling of 12400894 in words is "twelve million, four hundred thousand, eight hundred ninety-four".