11427399 has 10 divisors (see below), whose sum is σ = 17070680. Its totient is φ = 7618212.

The previous prime is 11427391. The next prime is 11427401. The reversal of 11427399 is 99372411.

It is not a de Polignac number, because 11427399 - 2³ = 11427391 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 (11427391) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70459 + ... + 70620.

It is an arithmetic number, because the mean of its divisors is an integer number (1707068).

Almost surely, 2^11427399 is an apocalyptic number.

11427399 is a deficient number, since it is larger than the sum of its proper divisors (5643281).

11427399 is an equidigital number, since it uses as much as digits as its factorization.

11427399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141091 (or 141082 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 11427399 is about 3380.4436099423. The cubic root of 11427399 is about 225.2418732283.

The spelling of 11427399 in words is "eleven million, four hundred twenty-seven thousand, three hundred ninety-nine".