12329745 has 16 divisors (see below), whose sum is σ = 20148480. Its totient is φ = 6435584.

The previous prime is 12329741. The next prime is 12329749. The reversal of 12329745 is 54792321.

It is an interprime number because it is at equal distance from previous prime (12329741) and next prime (12329749).

It is a cyclic number.

It is not a de Polignac number, because 12329745 - 2² = 12329741 is a prime.

It is a super-2 number, since 2×12329745² = 304045223530050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12329741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8040 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (1259280).

Almost surely, 2^12329745 is an apocalyptic number.

12329745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12329745 is a deficient number, since it is larger than the sum of its proper divisors (7818735).

12329745 is a wasteful number, since it uses less digits than its factorization.

12329745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17544.

The product of its digits is 15120, while the sum is 33.

The square root of 12329745 is about 3511.3736628277. The cubic root of 12329745 is about 231.0209497313.

The spelling of 12329745 in words is "twelve million, three hundred twenty-nine thousand, seven hundred forty-five".