13439330 has 16 divisors (see below), whose sum is σ = 24232824. Its totient is φ = 5366400.

The previous prime is 13439317. The next prime is 13439339. The reversal of 13439330 is 3393431.

It can be written as a sum of positive squares in 4 ways, for example, as 9916201 + 3523129 = 3149^2 + 1877^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13439330.

It is not an unprimeable number, because it can be changed into a prime (13439339) 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, 9680 + ... + 10980.

Almost surely, 2^13439330 is an apocalyptic number.

13439330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13439330 is a deficient number, since it is larger than the sum of its proper divisors (10793494).

13439330 is a wasteful number, since it uses less digits than its factorization.

13439330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 13439330 is about 3665.9691760843. The cubic root of 13439330 is about 237.7529272237.

The spelling of 13439330 in words is "thirteen million, four hundred thirty-nine thousand, three hundred thirty".