11398311 has 12 divisors (see below), whose sum is σ = 16847688. Its totient is φ = 7421904.

The previous prime is 11398301. The next prime is 11398367. The reversal of 11398311 is 11389311.

It is a happy number.

It is not a de Polignac number, because 11398311 - 2¹⁷ = 11267239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11398301) 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, 14340 + ... + 15113.

It is an arithmetic number, because the mean of its divisors is an integer number (1403974).

Almost surely, 2^11398311 is an apocalyptic number.

11398311 is a deficient number, since it is larger than the sum of its proper divisors (5449377).

11398311 is a wasteful number, since it uses less digits than its factorization.

11398311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29502 (or 29499 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 11398311 is about 3376.1384746482. The cubic root of 11398311 is about 225.0505960290.

The spelling of 11398311 in words is "eleven million, three hundred ninety-eight thousand, three hundred eleven".