13230978 has 32 divisors (see below), whose sum is σ = 27480384. Its totient is φ = 4243392.

The previous prime is 13230967. The next prime is 13230983. The reversal of 13230978 is 87903231.

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, 23476 + ... + 24032.

It is an arithmetic number, because the mean of its divisors is an integer number (858762).

Almost surely, 2^13230978 is an apocalyptic number.

13230978 is an abundant number, since it is smaller than the sum of its proper divisors (14249406).

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

13230978 is a wasteful number, since it uses less digits than its factorization.

13230978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13230978 is about 3637.4411335443. The cubic root of 13230978 is about 236.5178826354.

The spelling of 13230978 in words is "thirteen million, two hundred thirty thousand, nine hundred seventy-eight".