1213341399 has 12 divisors (see below), whose sum is σ = 1761687616. Its totient is φ = 804701952.

The previous prime is 1213341383. The next prime is 1213341491. The reversal of 1213341399 is 9931433121.

1213341399 is a `hidden beast` number, since 121 + 33 + 413 + 99 = 666.

It is not a de Polignac number, because 1213341399 - 2⁴ = 1213341383 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 (1213341359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347527 + ... + 351000.

Almost surely, 2^1213341399 is an apocalyptic number.

1213341399 is a deficient number, since it is larger than the sum of its proper divisors (548346217).

1213341399 is a wasteful number, since it uses less digits than its factorization.

1213341399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698726 (or 698723 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1213341399 is about 34833.0503832208. The cubic root of 1213341399 is about 1066.5822174136.

The spelling of 1213341399 in words is "one billion, two hundred thirteen million, three hundred forty-one thousand, three hundred ninety-nine".