11465538 has 16 divisors (see below), whose sum is σ = 26207040. Its totient is φ = 3275856.

The previous prime is 11465533. The next prime is 11465549. The reversal of 11465538 is 83556411.

It is a junction number, because it is equal to n+sod(n) for n = 11465499 and 11465508.

It is not an unprimeable number, because it can be changed into a prime (11465533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136453 + ... + 136536.

It is an arithmetic number, because the mean of its divisors is an integer number (1637940).

Almost surely, 2^11465538 is an apocalyptic number.

11465538 is an abundant number, since it is smaller than the sum of its proper divisors (14741502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11465538 is a wasteful number, since it uses less digits than its factorization.

11465538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273001.

The product of its digits is 14400, while the sum is 33.

The square root of 11465538 is about 3386.0800344942. The cubic root of 11465538 is about 225.4921769221.

The spelling of 11465538 in words is "eleven million, four hundred sixty-five thousand, five hundred thirty-eight".