13955290 has 16 divisors (see below), whose sum is σ = 25799112. Its totient is φ = 5431104.

The previous prime is 13955267. The next prime is 13955309. The reversal of 13955290 is 9255931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13786369 + 168921 = 3713^2 + 411^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18489 + ... + 19228.

Almost surely, 2^13955290 is an apocalyptic number.

13955290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13955290 is a deficient number, since it is larger than the sum of its proper divisors (11843822).

13955290 is a wasteful number, since it uses less digits than its factorization.

13955290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37761.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 13955290 is about 3735.6779839810. The cubic root of 13955290 is about 240.7573874295.

The spelling of 13955290 in words is "thirteen million, nine hundred fifty-five thousand, two hundred ninety".