12540773 has 8 divisors (see below), whose sum is σ = 14955648. Its totient is φ = 10281744.

The previous prime is 12540769. The next prime is 12540791. The reversal of 12540773 is 37704521.

12540773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12540773 - 2² = 12540769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540733) 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, 38786 + ... + 39107.

It is an arithmetic number, because the mean of its divisors is an integer number (1869456).

Almost surely, 2^12540773 is an apocalyptic number.

It is an amenable number.

12540773 is a deficient number, since it is larger than the sum of its proper divisors (2414875).

12540773 is an equidigital number, since it uses as much as digits as its factorization.

12540773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77923.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 12540773 is about 3541.2953844603. The cubic root of 12540773 is about 232.3315031529.

The spelling of 12540773 in words is "twelve million, five hundred forty thousand, seven hundred seventy-three".