12740134 has 16 divisors (see below), whose sum is σ = 20943360. Its totient is φ = 5764360.

The previous prime is 12740129. The next prime is 12740153. The reversal of 12740134 is 43104721.

It is a super-2 number, since 2×12740134² = 324622028675912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 4047 + ... + 6469.

It is an arithmetic number, because the mean of its divisors is an integer number (1308960).

Almost surely, 2^12740134 is an apocalyptic number.

12740134 is a deficient number, since it is larger than the sum of its proper divisors (8203226).

12740134 is a wasteful number, since it uses less digits than its factorization.

12740134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12740134 is about 3569.3324305814. The cubic root of 12740134 is about 233.5561630970.

Adding to 12740134 its reverse (43104721), we get a palindrome (55844855).

The spelling of 12740134 in words is "twelve million, seven hundred forty thousand, one hundred thirty-four".