11399056 has 20 divisors (see below), whose sum is σ = 22145904. Its totient is φ = 5684000.

The previous prime is 11399029. The next prime is 11399057. The reversal of 11399056 is 65099311.

It is a super-2 number, since 2×11399056² = 259876955382272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11399057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7131 + ... + 8581.

Almost surely, 2^11399056 is an apocalyptic number.

11399056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11399056 is a deficient number, since it is larger than the sum of its proper divisors (10746848).

11399056 is a wasteful number, since it uses less digits than its factorization.

11399056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 11399056 is about 3376.2488059976. The cubic root of 11399056 is about 225.0554990665.

The spelling of 11399056 in words is "eleven million, three hundred ninety-nine thousand, fifty-six".