12403934 has 4 divisors (see below), whose sum is σ = 18605904. Its totient is φ = 6201966.

The previous prime is 12403933. The next prime is 12403939. The reversal of 12403934 is 43930421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100982 + ... + 3100985.

It is an arithmetic number, because the mean of its divisors is an integer number (4651476).

Almost surely, 2^12403934 is an apocalyptic number.

12403934 is a deficient number, since it is larger than the sum of its proper divisors (6201970).

12403934 is an equidigital number, since it uses as much as digits as its factorization.

12403934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201969.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 12403934 is about 3521.9219184985. The cubic root of 12403934 is about 231.4833802659.

The spelling of 12403934 in words is "twelve million, four hundred three thousand, nine hundred thirty-four".