13095978 has 32 divisors (see below), whose sum is σ = 31511040. Its totient is φ = 3544560.

The previous prime is 13095977. The next prime is 13096007. The reversal of 13095978 is 87959031.

It is a happy number.

13095978 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (13095977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7408 + ... + 9003.

It is an arithmetic number, because the mean of its divisors is an integer number (984720).

Almost surely, 2^13095978 is an apocalyptic number.

13095978 is an abundant number, since it is smaller than the sum of its proper divisors (18415062).

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

13095978 is a wasteful number, since it uses less digits than its factorization.

13095978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442.

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

The square root of 13095978 is about 3618.8365533691. The cubic root of 13095978 is about 235.7107079609.

The spelling of 13095978 in words is "thirteen million, ninety-five thousand, nine hundred seventy-eight".