11398144 has 22 divisors (see below), whose sum is σ = 22787204. Its totient is φ = 5698560.

The previous prime is 11398129. The next prime is 11398159. The reversal of 11398144 is 44189311.

It is an interprime number because it is at equal distance from previous prime (11398129) and next prime (11398159).

It is a super-3 number, since 3×11398144³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4542 + ... + 6589.

It is an arithmetic number, because the mean of its divisors is an integer number (1035782).

Almost surely, 2^11398144 is an apocalyptic number.

It is an amenable number.

11398144 is a deficient number, since it is larger than the sum of its proper divisors (11389060).

11398144 is an equidigital number, since it uses as much as digits as its factorization.

11398144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151 (or 11133 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 11398144 is about 3376.1137421598. The cubic root of 11398144 is about 225.0494969295.

The spelling of 11398144 in words is "eleven million, three hundred ninety-eight thousand, one hundred forty-four".