12434947 has 4 divisors (see below), whose sum is σ = 14211376. Its totient is φ = 10658520.

The previous prime is 12434941. The next prime is 12434953. The reversal of 12434947 is 74943421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12434941) and next prime (12434953).

It is a cyclic number.

It is not a de Polignac number, because 12434947 - 2¹⁵ = 12402179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12434941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888204 + ... + 888217.

It is an arithmetic number, because the mean of its divisors is an integer number (3552844).

Almost surely, 2^12434947 is an apocalyptic number.

12434947 is a deficient number, since it is larger than the sum of its proper divisors (1776429).

12434947 is an equidigital number, since it uses as much as digits as its factorization.

12434947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776428.

The product of its digits is 24192, while the sum is 34.

The square root of 12434947 is about 3526.3220215970. The cubic root of 12434947 is about 231.6761422091.

The spelling of 12434947 in words is "twelve million, four hundred thirty-four thousand, nine hundred forty-seven".