13381960 has 16 divisors (see below), whose sum is σ = 30109500. Its totient is φ = 5352768.

The previous prime is 13381939. The next prime is 13381993. The reversal of 13381960 is 6918331.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 465124 = 3594^2 + 682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167235 + ... + 167314.

Almost surely, 2^13381960 is an apocalyptic number.

13381960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13381960 is an abundant number, since it is smaller than the sum of its proper divisors (16727540).

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

13381960 is a wasteful number, since it uses less digits than its factorization.

13381960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334560 (or 334556 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13381960 is about 3658.1361374339. The cubic root of 13381960 is about 237.4141370135.

It can be divided in two parts, 13381 and 960, that added together give a palindrome (14341).

The spelling of 13381960 in words is "thirteen million, three hundred eighty-one thousand, nine hundred sixty".