12743434 has 16 divisors (see below), whose sum is σ = 21021696. Its totient is φ = 5745600.

The previous prime is 12743431. The next prime is 12743443. The reversal of 12743434 is 43434721.

It is a super-2 number, since 2×12743434² = 324790220224712, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12743431) 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, 514 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (1313856).

Almost surely, 2^12743434 is an apocalyptic number.

12743434 is a deficient number, since it is larger than the sum of its proper divisors (8278262).

12743434 is a wasteful number, since it uses less digits than its factorization.

12743434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701.

The product of its digits is 8064, while the sum is 28.

The square root of 12743434 is about 3569.7946719664. The cubic root of 12743434 is about 233.5763269038.

The spelling of 12743434 in words is "twelve million, seven hundred forty-three thousand, four hundred thirty-four".