12740590 has 16 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 5067360.

The previous prime is 12740587. The next prime is 12740591. The reversal of 12740590 is 9504721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740591) 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, 1710 + ... + 5329.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^12740590 is an apocalyptic number.

12740590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12740590 is a deficient number, since it is larger than the sum of its proper divisors (10322450).

12740590 is a wasteful number, since it uses less digits than its factorization.

12740590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12740590 is about 3569.3963075008. The cubic root of 12740590 is about 233.5589495758.

The spelling of 12740590 in words is "twelve million, seven hundred forty thousand, five hundred ninety".