13961120 has 24 divisors (see below), whose sum is σ = 32983524. Its totient is φ = 5584384.

The previous prime is 13961119. The next prime is 13961149. The reversal of 13961120 is 2116931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11806096 + 2155024 = 3436^2 + 1468^2 .

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, 43469 + ... + 43788.

Almost surely, 2^13961120 is an apocalyptic number.

13961120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13961120 is an abundant number, since it is smaller than the sum of its proper divisors (19022404).

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

13961120 is an equidigital number, since it uses as much as digits as its factorization.

13961120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87272 (or 87264 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 13961120 is about 3736.4582160115. The cubic root of 13961120 is about 240.7909092494.

The spelling of 13961120 in words is "thirteen million, nine hundred sixty-one thousand, one hundred twenty".