11969380 has 24 divisors (see below), whose sum is σ = 25204032. Its totient is φ = 4774752.

The previous prime is 11969357. The next prime is 11969383. The reversal of 11969380 is 8396911.

11969380 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 (11969383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10729 + ... + 11791.

It is an arithmetic number, because the mean of its divisors is an integer number (1050168).

Almost surely, 2^11969380 is an apocalyptic number.

11969380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11969380 is an abundant number, since it is smaller than the sum of its proper divisors (13234652).

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

11969380 is a wasteful number, since it uses less digits than its factorization.

11969380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11969380 is about 3459.6791758774. The cubic root of 11969380 is about 228.7479540363.

The spelling of 11969380 in words is "eleven million, nine hundred sixty-nine thousand, three hundred eighty".