11939620 has 48 divisors (see below), whose sum is σ = 31264128. Its totient is φ = 3720960.

The previous prime is 11939563. The next prime is 11939621. The reversal of 11939620 is 2693911.

11939620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11939621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337 + ... + 5416.

It is an arithmetic number, because the mean of its divisors is an integer number (651336).

Almost surely, 2^11939620 is an apocalyptic number.

11939620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11939620 is an abundant number, since it is smaller than the sum of its proper divisors (19324508).

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

11939620 is a wasteful number, since it uses less digits than its factorization.

11939620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780 (or 7778 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 11939620 is about 3455.3755222841. The cubic root of 11939620 is about 228.5582146379.

The spelling of 11939620 in words is "eleven million, nine hundred thirty-nine thousand, six hundred twenty".