12400773 has 24 divisors (see below), whose sum is σ = 20985120. Its totient is φ = 6441120.

The previous prime is 12400757. The next prime is 12400793. The reversal of 12400773 is 37700421.

12400773 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12400773 - 2⁴ = 12400757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2218 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (874380).

Almost surely, 2^12400773 is an apocalyptic number.

It is an amenable number.

12400773 is a deficient number, since it is larger than the sum of its proper divisors (8584347).

12400773 is a wasteful number, since it uses less digits than its factorization.

12400773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7697 (or 7690 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 12400773 is about 3521.4731292458. The cubic root of 12400773 is about 231.4637149692.

The spelling of 12400773 in words is "twelve million, four hundred thousand, seven hundred seventy-three".