13309892 has 12 divisors (see below), whose sum is σ = 23393916. Its totient is φ = 6625920.

The previous prime is 13309889. The next prime is 13309897. The reversal of 13309892 is 29890331.

13309892 is digitally balanced in base 2, because in such base 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 749956 + 12559936 = 866^2 + 3544^2 .

It is not an unprimeable number, because it can be changed into a prime (13309897) 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, 6209 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (1949493).

Almost surely, 2^13309892 is an apocalyptic number.

It is an amenable number.

13309892 is a deficient number, since it is larger than the sum of its proper divisors (10084024).

13309892 is a wasteful number, since it uses less digits than its factorization.

13309892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14518 (or 14516 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 13309892 is about 3648.2724678949. The cubic root of 13309892 is about 236.9871749129.

The spelling of 13309892 in words is "thirteen million, three hundred nine thousand, eight hundred ninety-two".