11399532 has 12 divisors (see below), whose sum is σ = 26598936. Its totient is φ = 3799840.

The previous prime is 11399527. The next prime is 11399539. The reversal of 11399532 is 23599311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11399493 and 11399502.

It is not an unprimeable number, because it can be changed into a prime (11399539) 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, 474969 + ... + 474992.

It is an arithmetic number, because the mean of its divisors is an integer number (2216578).

Almost surely, 2^11399532 is an apocalyptic number.

11399532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11399532 is an abundant number, since it is smaller than the sum of its proper divisors (15199404).

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

11399532 is a wasteful number, since it uses less digits than its factorization.

11399532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949968 (or 949966 counting only the distinct ones).

The product of its digits is 7290, while the sum is 33.

The square root of 11399532 is about 3376.3192976968. The cubic root of 11399532 is about 225.0586316337.

The spelling of 11399532 in words is "eleven million, three hundred ninety-nine thousand, five hundred thirty-two".