13194440 has 32 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 4523712.

The previous prime is 13194439. The next prime is 13194443. The reversal of 13194440 is 4449131.

It is not an unprimeable number, because it can be changed into a prime (13194443) 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, 23282 + ... + 23841.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 2^13194440 is an apocalyptic number.

13194440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13194440 is an abundant number, since it is smaller than the sum of its proper divisors (20734840).

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

13194440 is a wasteful number, since it uses less digits than its factorization.

13194440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47141 (or 47137 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13194440 is about 3632.4151745086. The cubic root of 13194440 is about 236.2999633044.

The spelling of 13194440 in words is "thirteen million, one hundred ninety-four thousand, four hundred forty".