12743430 has 48 divisors (see below), whose sum is σ = 35581680. Its totient is φ = 2912448.

The previous prime is 12743413. The next prime is 12743431. The reversal of 12743430 is 3434721.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12743430.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2865 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (741285).

Almost surely, 2^12743430 is an apocalyptic number.

12743430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12743430 is an abundant number, since it is smaller than the sum of its proper divisors (22838250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12743430 is a wasteful number, since it uses less digits than its factorization.

12743430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693 (or 8686 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 12743430 is about 3569.7941117101. The cubic root of 12743430 is about 233.5763024649.

The spelling of 12743430 in words is "twelve million, seven hundred forty-three thousand, four hundred thirty".