1214296399 has 4 divisors (see below), whose sum is σ = 1215571536. Its totient is φ = 1213021264.

The previous prime is 1214296387. The next prime is 1214296411. The reversal of 1214296399 is 9936924121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9936924121 = 16187 ⋅613883.

It is an interprime number because it is at equal distance from previous prime (1214296387) and next prime (1214296411).

It is a cyclic number.

It is not a de Polignac number, because 1214296399 - 2⁵ = 1214296367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214296379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636139 + ... + 638044.

It is an arithmetic number, because the mean of its divisors is an integer number (303892884).

Almost surely, 2^1214296399 is an apocalyptic number.

1214296399 is a deficient number, since it is larger than the sum of its proper divisors (1275137).

1214296399 is an equidigital number, since it uses as much as digits as its factorization.

1214296399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275136.

The product of its digits is 209952, while the sum is 46.

The square root of 1214296399 is about 34846.7559322242. The cubic root of 1214296399 is about 1066.8619734928.

The spelling of 1214296399 in words is "one billion, two hundred fourteen million, two hundred ninety-six thousand, three hundred ninety-nine".