12814394 has 4 divisors (see below), whose sum is σ = 19221594. Its totient is φ = 6407196.

The previous prime is 12814391. The next prime is 12814423. The reversal of 12814394 is 49341821.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 9223369 + 3591025 = 3037^2 + 1895^2 .

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 12814394.

It is not an unprimeable number, because it can be changed into a prime (12814391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203597 + ... + 3203600.

Almost surely, 2^12814394 is an apocalyptic number.

12814394 is a deficient number, since it is larger than the sum of its proper divisors (6407200).

12814394 is an equidigital number, since it uses as much as digits as its factorization.

12814394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407199.

The product of its digits is 6912, while the sum is 32.

The square root of 12814394 is about 3579.7198214385. The cubic root of 12814394 is about 234.0090701917.

The spelling of 12814394 in words is "twelve million, eight hundred fourteen thousand, three hundred ninety-four".