1312299 has 12 divisors (see below), whose sum is σ = 1911000. Its totient is φ = 867744.

The previous prime is 1312277. The next prime is 1312301. The reversal of 1312299 is 9922131.

It is not a de Polignac number, because 1312299 - 2¹¹ = 1310251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312229) 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, 727 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (159250).

2^1312299 is an apocalyptic number.

1312299 is a deficient number, since it is larger than the sum of its proper divisors (598701).

1312299 is a wasteful number, since it uses less digits than its factorization.

1312299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1191 counting only the distinct ones).

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

The square root of 1312299 is about 1145.5561967883. The cubic root of 1312299 is about 109.4823891112.

The spelling of 1312299 in words is "one million, three hundred twelve thousand, two hundred ninety-nine".