13941390 has 32 divisors (see below), whose sum is σ = 33676416. Its totient is φ = 3693600.

The previous prime is 13941379. The next prime is 13941391. The reversal of 13941390 is 9314931.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13941391) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3465 + ... + 6315.

It is an arithmetic number, because the mean of its divisors is an integer number (1052388).

Almost surely, 2^13941390 is an apocalyptic number.

13941390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13941390 is an abundant number, since it is smaller than the sum of its proper divisors (19735026).

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

13941390 is a wasteful number, since it uses less digits than its factorization.

13941390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13941390 is about 3733.8170817543. The cubic root of 13941390 is about 240.6774263684.

The spelling of 13941390 in words is "thirteen million, nine hundred forty-one thousand, three hundred ninety".