13740078 has 32 divisors (see below), whose sum is σ = 31559040. Its totient is φ = 3944160.

The previous prime is 13740053. The next prime is 13740107. The reversal of 13740078 is 87004731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4225 + ... + 6732.

It is an arithmetic number, because the mean of its divisors is an integer number (986220).

Almost surely, 2^13740078 is an apocalyptic number.

13740078 is an abundant number, since it is smaller than the sum of its proper divisors (17818962).

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

13740078 is a wasteful number, since it uses less digits than its factorization.

13740078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 13740078 is about 3706.7611198997. The cubic root of 13740078 is about 239.5133541774.

The spelling of 13740078 in words is "thirteen million, seven hundred forty thousand, seventy-eight".