13782070 has 16 divisors (see below), whose sum is σ = 26267328. Its totient is φ = 5188480.

The previous prime is 13782061. The next prime is 13782071. The reversal of 13782070 is 7028731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13782071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40366 + ... + 40705.

It is an arithmetic number, because the mean of its divisors is an integer number (1641708).

Almost surely, 2^13782070 is an apocalyptic number.

13782070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13782070 is a deficient number, since it is larger than the sum of its proper divisors (12485258).

13782070 is a wasteful number, since it uses less digits than its factorization.

13782070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81095.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 13782070 is about 3712.4210429314. The cubic root of 13782070 is about 239.7571037926.

The spelling of 13782070 in words is "thirteen million, seven hundred eighty-two thousand, seventy".