1213299 has 12 divisors (see below), whose sum is σ = 1817816. Its totient is φ = 808704.

The previous prime is 1213271. The next prime is 1213301. The reversal of 1213299 is 9923121.

It is not a de Polignac number, because 1213299 - 2⁹ = 1212787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213259) 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, 2254 + ... + 2739.

2^1213299 is an apocalyptic number.

1213299 is a deficient number, since it is larger than the sum of its proper divisors (604517).

1213299 is an frugal number, since it uses more digits than its factorization.

1213299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008 (or 4996 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1213299 is about 1101.4985247380. The cubic root of 1213299 is about 106.6569793720.

The spelling of 1213299 in words is "one million, two hundred thirteen thousand, two hundred ninety-nine".