13590978 has 8 divisors (see below), whose sum is σ = 27181968. Its totient is φ = 4530324.

The previous prime is 13590977. The next prime is 13590979. The reversal of 13590978 is 87909531.

It is a happy number.

13590978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13590977) and next prime (13590979).

It is a sphenic number, since it is the product of 3 distinct primes.

13590978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13590971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132576 + ... + 1132587.

It is an arithmetic number, because the mean of its divisors is an integer number (3397746).

Almost surely, 2^13590978 is an apocalyptic number.

13590978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13590978 is a wasteful number, since it uses less digits than its factorization.

13590978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265168.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 13590978 is about 3686.5943633657. The cubic root of 13590978 is about 238.6438443303.

The spelling of 13590978 in words is "thirteen million, five hundred ninety thousand, nine hundred seventy-eight".