13265978 has 8 divisors (see below), whose sum is σ = 21708000. Its totient is φ = 6029980.

The previous prime is 13265957. The next prime is 13265981. The reversal of 13265978 is 87956231.

13265978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301478 + ... + 301521.

It is an arithmetic number, because the mean of its divisors is an integer number (2713500).

Almost surely, 2^13265978 is an apocalyptic number.

13265978 is a deficient number, since it is larger than the sum of its proper divisors (8442022).

13265978 is a wasteful number, since it uses less digits than its factorization.

13265978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603012.

The product of its digits is 90720, while the sum is 41.

The square root of 13265978 is about 3642.2490304755. The cubic root of 13265978 is about 236.7262531531.

The spelling of 13265978 in words is "thirteen million, two hundred sixty-five thousand, nine hundred seventy-eight".