11939652 has 36 divisors (see below), whose sum is σ = 30681196. Its totient is φ = 3913920.

The previous prime is 11939621. The next prime is 11939659. The reversal of 11939652 is 25693911.

11939652 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2903616 + 9036036 = 1704^2 + 3006^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11939652² = 285110579762208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523 + ... + 4914.

Almost surely, 2^11939652 is an apocalyptic number.

11939652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11939652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15340598).

11939652 is an abundant number, since it is smaller than the sum of its proper divisors (18741544).

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

11939652 is a wasteful number, since it uses less digits than its factorization.

11939652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508 (or 5503 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 11939652 is about 3455.3801527473. The cubic root of 11939652 is about 228.5584188280.

The spelling of 11939652 in words is "eleven million, nine hundred thirty-nine thousand, six hundred fifty-two".