12742210 has 16 divisors (see below), whose sum is σ = 24700536. Its totient is φ = 4704768.

The previous prime is 12742193. The next prime is 12742237. The reversal of 12742210 is 1224721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10975969 + 1766241 = 3313^2 + 1329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48879 + ... + 49138.

Almost surely, 2^12742210 is an apocalyptic number.

12742210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12742210 is a deficient number, since it is larger than the sum of its proper divisors (11958326).

12742210 is a wasteful number, since it uses less digits than its factorization.

12742210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98037.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12742210 is about 3569.6232294179. The cubic root of 12742210 is about 233.5688483707.

Adding to 12742210 its reverse (1224721), we get a palindrome (13966931).

The spelling of 12742210 in words is "twelve million, seven hundred forty-two thousand, two hundred ten".