12432734 has 4 divisors (see below), whose sum is σ = 18649104. Its totient is φ = 6216366.

The previous prime is 12432731. The next prime is 12432737. The reversal of 12432734 is 43723421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43723421 = 7 ⋅6246203.

It is an interprime number because it is at equal distance from previous prime (12432731) and next prime (12432737).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108182 + ... + 3108185.

It is an arithmetic number, because the mean of its divisors is an integer number (4662276).

Almost surely, 2^12432734 is an apocalyptic number.

12432734 is a deficient number, since it is larger than the sum of its proper divisors (6216370).

12432734 is an equidigital number, since it uses as much as digits as its factorization.

12432734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216369.

The product of its digits is 4032, while the sum is 26.

The square root of 12432734 is about 3526.0082246075. The cubic root of 12432734 is about 231.6623978879.

The spelling of 12432734 in words is "twelve million, four hundred thirty-two thousand, seven hundred thirty-four".